5305-01-031-8121

Find complete technical information, availability, and procurement data for: 5305-01-031-8121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-031-8121

Item Name Code

01852

Assigment Date

12/02/1976 (49 years ago)

An assembled unit consisting of a commonly mounted reciprocating compressor(s) and a prime mover(s). For items with additional equipment which extends the function of the unit beyond the delivery of compressed air or gas, see pneumatic tool and compressor outfit, or more specific names, as applicable. Excludes:auxiliary set, engine driven.

0.278 inches nominal thread length, right-hand thread direction, 2.125 inches nominal fastener length, knurled no. 4 head style, 2a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.278 inches nominal
Fastener Length: 2.125 inches nominal
Head Style: knurled no. 4
Head Diameter: 0.311 inches minimum and 0.312 inches maximum
Head Height: 0.125 inches nominal
First Diameter From Head: 0.090 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 1.785 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 303 overall
Material Document And Classification: aisi 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: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2170482	Externally Relieved Body Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-031-8121?

The FSCG of the NSN 5305-01-031-8121 is 5305

Does the NSN 5305-01-031-8121 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-031-8121 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 5305-01-031-8121 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-031-8121 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 5305-01-031-8121 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Dec 2, 1976