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5305-01-105-5178

Shoulder Screw

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Official Item Classification

Name
Shoulder Screw
(NSN) National Stock Number
5305-01-105-5178
(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
12/25/1980 (45 years ago)

1.125 inches nominal fastener length, flat chamfer head style, right-hand thread direction, 3a thread class, 0.625 inches nominal thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.625 inches nominal

Fastener Length

1.125 inches nominal

Head Style

flat chamfer

Head Diameter

0.750 inches nominal

Head Height

0.312 inches nominal

Shoulder Diameter

0.498 inches minimum and 0.499 inches maximum first shoulder

Shoulder Length

0.500 inches nominal first shoulder

Locking Feature

patch threads

Internal Drive Style

hexagon

Nominal Thread Diameter

0.375 inches

Width Across Flats

0.188 inches nominal

Thread Quantity Per Inch

16

Shoulder Shape

round first shoulder

Material

plastic polyamide (nylon) locking feature

Material

steel fastener

Surface Treatment

zinc fastener

Surface Treatment Document And Classification

astm b633 assn std single treatment response fastener

Thread Series Designator

unc

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

0022846

Related Hardware Products

Part Number Description
2462437PC9 Shoulder Screw
246437PC9 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-105-5178?
The FSCG of the NSN 5305-01-105-5178 is 5305
Does the NSN 5305-01-105-5178 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-105-5178 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 5305-01-105-5178 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-105-5178 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 5305-01-105-5178 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Thu, Dec 25, 1980