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7S37-4A10 Close Tolerance Screw

5305-00-054-5708

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Official Item Classification

Name
Close Tolerance Screw
Part Number
7S37-4A10
(NSN) National Stock Number
5305-00-054-5708
(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
01/01/1961 (65 years ago)

flat countersunk head style, 0.926 inches minimum and 0.956 inches maximum fastener length, right-hand thread direction, 0.291 inches minimum and 0.341 inches maximum thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.291 inches minimum and 0.341 inches maximum

Fastener Length

0.926 inches minimum and 0.956 inches maximum

Head Style

flat countersunk

Head Diameter

0.362 inches minimum and 0.395 inches maximum

Grip Diameter

0.2485 inches minimum and 0.2495 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.250 inches

Grip Length

0.615 inches minimum and 0.635 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

100.0 degrees minimum

Material

steel comp 4130 overall

Material Document And Classification

mil-s-6758,cond d4 mil spec single material response overall

Surface Treatment

cadmium and chromate 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

0029294

Related Hardware Products

Part Number Description
7S37-4A10 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-054-5708?
The FSCG of the NSN 5305-00-054-5708 is 5305
Does the NSN 5305-00-054-5708 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-054-5708 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 5305-00-054-5708 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-054-5708 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 5305-00-054-5708 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961