Socket Head Cap Screw

BACB30LU4P3

(NSN) National Stock Number

5305-00-027-7270

Federal Supply Classification

5305 Screws

Item Name Code

16282

Schedule B Code

7318152000

Summary

3a thread class, right-hand thread direction, 0.468 inches minimum thread length, 0.655 inches nominal fastener length, flat countersunk head style, 0.510 inches nominal head diameter

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
2	-	-	ZZ

Identification

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

INC	FIIG	Concept	Condition
16282	A003B0	-	1

Specifications

Thread Class

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Thread Direction

right-hand

Details

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

Thread Length

0.468 inches minimum

Details

A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

Fastener Length

0.655 inches nominal

Details

The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

Head Style

flat countersunk

Details

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

Head Diameter

0.510 inches nominal

Details

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

Locking Feature

patch threads or pellet threads or strip threads

Details

An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

Internal Drive Style

cross recess type 1

Details

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

Nominal Thread Diameter

0.250 inches

Details

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

Thread Quantity Per Inch

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Hardness Rating

36.0 rockwell c minimum overall and 43.0 rockwell c maximum overall

Details

A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Details

The included angle of the countersink.

Material

steel overall

Details

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

Surface Treatment

cadmium overall

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.

Thread Series Designator

unf

Details

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

Specification/Standard Data

81205-bacb30ef manufacturers standard

Details

The document designator of the specification or standard which established the item of supply.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
BACB30LU4P3	L4528	5	-	5	2	-	ZZ
BACB30LU4P3	17943	5	-	5	2	-	ZZ
BACB30LU4P3	06950	5	-	5	2	-	ZZ
BACB30LU4P3	06725	5	-	5	2	-	ZZ
BACB30LU4P3	27624	5	-	5	2	-	ZZ
BACB30LU4P3	80539	5	-	5	2	-	ZZ
BACB30LU4P3	73197	5	-	5	2	-	ZZ
BACB30LU4P3	57928	5	-	5	2	-	ZZ
BACB30EF4-3	81205	1	-	5	9	-	SE
BACB30LU4P3	81205	A	-	3	2	-	ZZ

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
50600	-	Q	-

RVC	WCC	TCC	SHC
-	713	Z	9

Certified Supplier

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

Fast Quote Times
Qualified sales team
100% Product Inspections
Counterfeit Parts Prevention

Manufacturer

VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS

CAGE: 06710

SYLMAR , CA , 91342-3830

UNITED STATES

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FAQs

Frequently asked questions for NSN 5305-00-027-7270

What is the NIIN of the NSN 5305-00-027-7270?

The National Item Identification Number (NIIN) of the NSN 5305-00-027-7270 is 00-027-7270

When the NSN 5305-00-027-7270 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Tue, May 9, 1967

Does the NSN 5305-00-027-7270 contain any precious metals?

Type/content is unknown

Does the NSN 5305-00-027-7270 contain any hazardous material?

No data in HMIRS

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