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5305-00-271-4693

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-00-271-4693
(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
01/01/1960 (66 years ago)

flat chamfer head style, right-hand thread direction, 1.250 inches nominal fastener length, 1.000 inches minimum thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.000 inches minimum

Fastener Length

1.250 inches nominal

Head Style

flat chamfer

Head Diameter

0.365 inches minimum and 0.375 inches maximum

Head Height

0.244 inches minimum and 0.250 inches maximum

Hole Diameter

0.062 inches nominal

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.187 inches minimum and 0.190 inches maximum

Hole Quantity

6

Hole Type

drilled

Thread Quantity Per Inch

28

Hardness Rating

36.0 rockwell c minimum and 43.0 rockwell c maximum overall

Minimum Yield Strength

130000 pounds per square inch

Hole Configuration Style

round

Material

steel overall

Material Document And Classification

66 fed std single material response overall

Thread Series Designator

unf

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
12Z57PC30 Socket Head Cap Screw
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MS24675-25 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-271-4693?
The FSCG of the NSN 5305-00-271-4693 is 5305
Does the NSN 5305-00-271-4693 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-271-4693 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 5305-00-271-4693 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-271-4693 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 5305-00-271-4693 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960