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ST3M736-4-15 Close Tolerance Screw

5305-00-121-8908

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Official Item Classification

Name
Close Tolerance Screw
Part Number
ST3M736-4-15
(NSN) National Stock Number
5305-00-121-8908
(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
10/25/1968 (57 years ago)

0.282 inches minimum and 0.333 inches maximum thread length, right-hand thread direction, 3a thread class, flat countersunk head style, 1.356 inches minimum and 1.376 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.282 inches minimum and 0.333 inches maximum

Fastener Length

1.356 inches minimum and 1.376 inches maximum

Head Style

flat countersunk

Head Diameter

0.449 inches minimum and 0.507 inches maximum

Locking Feature

detent ring grip

Grip Diameter

0.2483 inches minimum and 0.2492 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.086 inches maximum first hole

Internal Drive Style

high-torque

Nominal Thread Diameter

0.250 inches

Grip Length

0.938 inches minimum and 0.954 inches maximum

Thread Quantity Per Inch

28

Hardness Rating

36.0 rockwell c minimum and 41.0 rockwell c maximum overall

Countersink Angle

100.0 degrees nominal

Distance From Head Largest Bearing Surface To Shank Hole Center

1.256 inches minimum and 1.286 inches maximum first hole

Surface Finish

63.0 microinches grip

Surface Finish

63.0 microinches top of head

Material

steel overall

Material Document And Classification

mil-b-83050 mil spec single material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

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

Thread Series Designator

unjf

Replacement For

Part Number Description
5305-01-071-8765 No Name Available 06/01/2006

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
106466-15 Close Tolerance Screw
121672-4-15 Close Tolerance Screw
AS195-4-15 Close Tolerance Screw
CA4520-4-15 Close Tolerance Screw
MS27577-4-15 Close Tolerance Screw
ST3M736-4-15 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-121-8908?
The FSCG of the NSN 5305-00-121-8908 is 5305
Does the NSN 5305-00-121-8908 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-121-8908 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 5305-00-121-8908 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-121-8908 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 5305-00-121-8908 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Oct 25, 1968