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5305-01-314-5480

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-314-5480
(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
02/01/1990 (36 years ago)

right-hand thread direction, 0.407 inches minimum and 0.438 inches maximum fastener length, hexagon head style, 2a thread class, 0.438 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.438 inches maximum

Fastener Length

0.407 inches minimum and 0.438 inches maximum

Head Style

hexagon

Head Height

0.150 inches minimum and 0.163 inches maximum

Width Between Flats

0.428 inches minimum and 0.438 inches maximum

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Minimum Tensile Strength

80000 pounds per square inch

Hardness Rating

80.0 rockwell b minimum overall

Minimum Yield Strength

30000 pounds per square inch

Surface Finish

63.0 microinches threads

Material

steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303f or steel comp 303 plus x or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unc

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
422914-1 Hexagon Head Cap Screw
422914-2 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-314-5480?
The FSCG of the NSN 5305-01-314-5480 is 5305
Does the NSN 5305-01-314-5480 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-314-5480 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 5305-01-314-5480 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-314-5480 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 5305-01-314-5480 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Thu, Feb 1, 1990