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5305-01-054-6250

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-054-6250
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
29294
(FIIG) Federal Item Identification Guide
A003B0
Date
01/23/1978 (48 years ago)

3a thread class, flat chamfer head style, 0.668 inches minimum and 0.698 inches maximum thread length, 2.871 inches nominal fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.668 inches minimum and 0.698 inches maximum

Fastener Length

2.871 inches nominal

Head Style

flat chamfer

Head Diameter

0.605 inches minimum and 0.625 inches maximum

Head Height

0.112 inches minimum and 0.125 inches maximum

Grip Diameter

0.4360 inches minimum and 0.4370 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.438 inches

Grip Length

2.178 inches minimum and 2.198 inches maximum

Thread Quantity Per Inch

20

Minimum Tensile Strength

220000 pounds per square inch

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Special Features

conical bearing surface of head 99.0 degree to 101.0 degree included angle 0.077 in. long

Material

steel comp h11 overall

Material Document And Classification

ams 6487 assn std single material response overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

nas 672 assn std single treatment response overall

Thread Series Designator

unjf

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

0029294

Related Hardware Products

Part Number Description
121754-7-35 Close Tolerance Screw
AIC9535-7-35 Close Tolerance Screw
C9535-7-35 Close Tolerance Screw
VT1696-7-35 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-054-6250?
The FSCG of the NSN 5305-01-054-6250 is 5305
Does the NSN 5305-01-054-6250 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-054-6250 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 5305-01-054-6250 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-054-6250 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 5305-01-054-6250 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Jan 23, 1978