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ST3M454-4DL7 Close Tolerance Screw

5305-01-129-7596

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Official Item Classification

Name
Close Tolerance Screw
Part Number
ST3M454-4DL7
(NSN) National Stock Number
5305-01-129-7596
(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
04/10/1982 (44 years ago)

right-hand thread direction, 3a thread class, 0.892 inches minimum and 0.922 inches maximum fastener length, flat countersunk head style, 0.444 inches minimum and 0.494 inches maximum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.444 inches minimum and 0.494 inches maximum

Fastener Length

0.892 inches minimum and 0.922 inches maximum

Head Style

flat countersunk

Head Diameter

0.497 inches minimum and 0.507 inches maximum

Grip Diameter

0.2490 inches minimum and 0.24950 inches maximum

Shank Unthreaded Hole Diameter

0.075 inches minimum and 0.081 inches maximum first hole

Internal Drive Style

high-torque

Nominal Thread Diameter

0.250 inches

Grip Length

0.428 inches minimum and 0.448 inches maximum

Thread Quantity Per Inch

28

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Distance From Head Largest Bearing Surface To Shank Hole Center

0.771 inches minimum and 0.811 inches maximum first hole

Material

steel comp xm-13 overall

Material Document And Classification

ams 5629 assn std single 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

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
10115210 Close Tolerance Screw
11905-4DL7 Close Tolerance Screw
HT4025L4D7 Close Tolerance Screw
ST3M454-4DL7 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-129-7596?
The FSCG of the NSN 5305-01-129-7596 is 5305
Does the NSN 5305-01-129-7596 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-129-7596 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 5305-01-129-7596 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-129-7596 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 5305-01-129-7596 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Sat, Apr 10, 1982