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SFT22-4A23 Machine Screw

5305-00-931-5294

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Official Item Classification

Name
Machine Screw
Part Number
SFT22-4A23
(NSN) National Stock Number
5305-00-931-5294
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
09/21/1966 (60 years ago)

3a thread class, flat countersunk head style, right-hand thread direction, 0.293 inches minimum thread length, 1.730 inches nominal fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.293 inches minimum

Fastener Length

1.730 inches nominal

Head Style

flat countersunk

Head Diameter

0.502 inches nominal

Internal Drive Style

torque set

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

220000 pounds per square inch

Hardness Rating

46.0 rockwell c minimum and 50.0 rockwell c maximum

Countersink Angle

100.0 degrees nominal

Part Name Assigned By Controlling Agency

navy special project

Screw Material

steel comp h11

Screw Material Document And Classification

ams6485 assn std single material response

Screw Surface Treatment

cadmium

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

0006657

Related Hardware Products

Part Number Description
A1C82-4-23 Machine Screw
AIC82-4-23 Machine Screw
C082-4-23 Machine Screw
SFT22-4A23 Machine Screw
VS2545T4F23 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-931-5294?
The FSCG of the NSN 5305-00-931-5294 is 5305
Does the NSN 5305-00-931-5294 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-931-5294 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 5305-00-931-5294 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-931-5294 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 5305-00-931-5294 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Sep 21, 1966