Internal Combustion Engin Piston

407P+40

(NSN) National Stock Number

2805-00-491-3304

Federal Supply Classification

2805 Except Aircraft; and Components Gasoline Reciprocating Engines

Item Name Code

16509

Schedule B Code

8409918000

Summary

Dish head style, 3.415 inches minimum and 3.425 inches maximum overall height, 3.910 inches nominal diameter, 0.9840 inches nominal pinhole diameter, finished surface finish, oversize finished size designation

DAC	HCC	DMIL	RNCC
4	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	AX

Identification

INC	FIIG	Concept	Condition
16509	T267-C	1	2

Specifications

Head Style

dish

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

Overall Height

3.415 inches minimum and 3.425 inches maximum

Details

The distance measured in a straight line from the bottom to the top of an item.

Diameter

3.910 inches nominal

Details

The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.

Pinhole Diameter

0.9840 inches nominal

Details

The length of a straight line which passes through the center of a pinhole,and terminates at the circumference.

Surface Finish

finished

Details

An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.

Finished Size Designation

oversize

Details

The finished size by which the item is commercially known and designated.

Oversize

0.040 inches nominal

Details

The measured amount of the oversize.

Skirt Type

solid

Details

Indicates the type of skirt included on the item.

Cut Depth

0.960 inches nominal

Details

A measurement between specified points of a cut,in distinction from height.

Skirt Bottom Cutaway Feature

included

Details

An indication of whether or not a skirt bottom cutaway feature is included.

Ring Groove Quantity

Details

The number of ring grooves included on the item.

Ring Groove Width

0.0780 inches nominal and 0.0780 inches nominal 1st ring0.0780 inches nominal and 0.1880 inches nominal

Details

A measurement taken at right angles to the length of a ring groove,in distinction from thickness.

Ring Groove Width

0.0780 inches nominal 2nd ring0.0780 inches nominal and 0.0780 inches nominal and 0.0780 inches nominal and 0.0780 inches nominal and 0.1880 inches nominal0.1880 inches nominal

Details

A measurement taken at right angles to the length of a ring groove,in distinction from thickness.

Ring Groove Width

0.1880 inches nominal 3rd ring

Details

A measurement taken at right angles to the length of a ring groove,in distinction from thickness.

Ring Groove Diameter

3.471 inches minimum and 3.486 inches maximum 1st ring

Details

The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.

Ring Groove Diameter

3.471 inches minimum and 3.486 inches maximum 2nd ring

Details

The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.

Ring Groove Diameter

3.498 inches minimum and 3.508 inches maximum 3rd ring

Details

The length of a straight line which passes through the center of a ring groove,and terminates at the circumference.

Oil Groove

included

Details

An indication of whether or not an oil groove/s/ is included.

Distance From Pin Hole Center To Extreme Top

1.766 inches nominal

Details

The distance from the center of the pin hole to the extreme top of the item.

Pin Hole Bushing

not included

Details

An indication of whether or not a pin hole bushing/s/ is included.

Distance Between Pin Bosses

1.440 inches nominal

Details

The distance between pin bosses on an item.

Retaining Ring Groove

included

Details

An indication of whether or not a retaining ring groove(s) is included.

included

Details

An indication of whether or not a pin is included.

Pin Type For Which Designed

locking

Details

Indicates the type of pin for which the item is designed.

Ring

not included

Details

An indication of whether or not a ring(s) is included. please use mrc abff for niins were answered with "included" in place of this cancelled mrc.

Carbon Groove

not included

Details

An indication of whether or not a carbon groove is included.

Material

aluminum alloy

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Surface Treatment

tin

Details

The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
1727P040	77220	4	-	5	9	-	AX
2808522	12204	5	-	5	2	-	SE
2808522	86403	5	-	3	2	-	SE
407-PP40	74069	2	-	5	2	-	AX
993P040	44370	4	-	5	9	-	AX
2268P040	53781	6	-	5	9	-	AX
2268P040	45225	5	-	3	2	-	ZZ
993PC40	92947	4	-	5	9	-	AX
P279P040	82913	4	-	3	2	-	AX

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
61410	-	W	-

RVC	WCC	TCC	SHC
-	593	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

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Counterfeit Parts Prevention

Manufacturer

FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT

CAGE: 01212

DETROIT , MI , 48235

UNITED STATES

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FAQs

Frequently asked questions for NSN 2805-00-491-3304

What is the NIIN of the NSN 2805-00-491-3304?

The National Item Identification Number (NIIN) of the NSN 2805-00-491-3304 is 00-491-3304

When the NSN 2805-00-491-3304 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Sep 21, 1970

Does the NSN 2805-00-491-3304 contain any precious metals?

Type/content is unknown

Does the NSN 2805-00-491-3304 contain any hazardous material?

No data in HMIRS

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