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5305-00-903-7212

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-903-7212
(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
06/17/1966 (60 years ago)

hexagon head style, 2.460 inches minimum and 2.500 inches maximum fastener length, 1.000 inches minimum and 1.188 inches maximum thread length, right-hand thread direction, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.000 inches minimum and 1.188 inches maximum

Fastener Length

2.460 inches minimum and 2.500 inches maximum

Head Style

hexagon

Head Height

0.226 inches minimum and 0.243 inches maximum

Width Between Flats

0.551 inches minimum and 0.562 inches maximum

Shank Unthreaded Hole Diameter

0.107 inches nominal first hole

Nominal Thread Diameter

0.375 inches

Thread Quantity Per Inch

24

Minimum Tensile Strength

120000 pounds per square inch

Hardness Rating

23.0 rockwell c minimum and 32.0 rockwell c maximum overall

Minimum Yield Strength

85000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

2.334 inches minimum and 2.354 inches maximum first hole

Material

steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall

Material Document And Classification

sae grade 5 assn std all material responses overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty 2 cl 3 fed spec single treatment response overall

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-957-6366 No Name Available 04/25/1969

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

0018257

Related Hardware Products

Part Number Description
927175 Hexagon Head Cap Screw
MS51106-366 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-903-7212?
The FSCG of the NSN 5305-00-903-7212 is 5305
Does the NSN 5305-00-903-7212 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-903-7212 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 5305-00-903-7212 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-903-7212 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 5305-00-903-7212 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Jun 17, 1966