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BACB30LR4P-10 Socket Head Cap Screw

5305-01-059-1926

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
BACB30LR4P-10
(NSN) National Stock Number
5305-01-059-1926
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
04/08/1978 (48 years ago)

3a thread class, flat countersunk head style, right-hand thread direction, 0.438 inches minimum and 0.513 inches maximum thread length, 1.078 inches minimum and 1.123 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.438 inches minimum and 0.513 inches maximum

Fastener Length

1.078 inches minimum and 1.123 inches maximum

Head Style

flat countersunk

Head Diameter

0.454 inches minimum and 0.510 inches maximum

Locking Feature

pellet or strip threads

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell c minimum and 32.0 rockwell c maximum overall

Countersink Angle

100.0 degrees nominal

Material

steel comp 8630 or steel comp 4037 overall

Surface Treatment

cadmium overall

Thread Series Designator

unf

Specification/Standard Data

81205-bacb30ef manufacturers standard

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0016282

Related Hardware Products

Part Number Description
BACB30LR4P-10 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-059-1926?
The FSCG of the NSN 5305-01-059-1926 is 5305
Does the NSN 5305-01-059-1926 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-059-1926 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-059-1926 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-059-1926 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-059-1926 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Apr 8, 1978