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5305-01-080-3779

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-080-3779
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
07/25/1979 (47 years ago)

hexagon head style, 1.451 inches minimum and 1.511 inches maximum thread length, right-hand thread direction, 3a thread class, 3.154 inches minimum and 3.184 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.451 inches minimum and 1.511 inches maximum

Fastener Length

3.154 inches minimum and 3.184 inches maximum

Head Style

hexagon

Head Height

0.531 inches minimum and 0.547 inches maximum

Width Between Flats

1.427 inches minimum and 1.440 inches maximum

Shank Unthreaded Hole Diameter

0.141 inches minimum and 0.151 inches maximum first hole

Nominal Thread Diameter

1.000 inches

Thread Quantity Per Inch

12

Distance From Head Largest Bearing Surface To Shank Hole Center

2.772 inches minimum and 2.792 inches maximum first hole

Part Name Assigned By Controlling Agency

navy special project

Material

iron alloy 660 overall

Material Document And Classification

ams 5732 assn std 1st material response or ams 5737 assn std 1st material response or ams 5733 assn std 2nd material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1016 professional/industrial association standard

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0018257

Related Hardware Products

Part Number Description
AS7478 Hexagon Head Cap Screw
NAS1016-27 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-080-3779?
The FSCG of the NSN 5305-01-080-3779 is 5305
Does the NSN 5305-01-080-3779 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-080-3779 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 5305-01-080-3779 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-080-3779 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 5305-01-080-3779 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Wed, Jul 25, 1979