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5305-00-973-1048

Shoulder Screw

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Official Item Classification

Name
Shoulder Screw
(NSN) National Stock Number
5305-00-973-1048
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
22846
(FIIG) Federal Item Identification Guide
A003B0
Date
05/14/1972 (54 years ago)

1.923 inches minimum and 1.943 inches maximum fastener length, flat chamfer head style, right-hand thread direction, 0.312 inches maximum thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.312 inches maximum

Fastener Length

1.923 inches minimum and 1.943 inches maximum

Head Style

flat chamfer

Head Diameter

0.500 inches nominal

Head Height

0.100 inches nominal

Shoulder Diameter

0.281 inches minimum and 0.282 inches maximum first shoulder

Shoulder Length

1.611 inches minimum and 1.631 inches maximum first shoulder

Shank Unthreaded Hole Diameter

0.071 inches minimum and 0.076 inches maximum first hole

Internal Drive Style

slot

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Hardness Rating

46.0 rockwell c minimum and 49.0 rockwell c maximum overall

Distance From Head Largest Bearing Surface To Shank Hole Center

1.823 inches minimum and 1.843 inches maximum first hole

Shoulder Shape

round first shoulder

Material

steel overall

Material Document And Classification

g-1010 fscm 26512 mfr ref single material response overall

Surface Treatment

cadmium and chromium grip

Surface Treatment

cadmium threads

Surface Treatment Document And Classification

mil-c-8837 ty 2 cl 1 1 mil spec single treatment response and qq-c-320 fed spec single treatment response overall

Test Data Document

"81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Thread Series Designator

unjf

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

0022846

Related Hardware Products

Part Number Description
A51M42524-11 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-973-1048?
The FSCG of the NSN 5305-00-973-1048 is 5305
Does the NSN 5305-00-973-1048 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-973-1048 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 5305-00-973-1048 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-973-1048 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 5305-00-973-1048 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, May 14, 1972