FRS7500-8-B-4

View detailed technical data, stock status, and sourcing information for: FRS7500-8-B-4
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part FRS7500-8-B-4 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-323-3785

Item Name Code

33044

Assigment Date

07/26/1990 (35 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

0.187 inches nominal thread length, 2a thread class, 0.550 inches minimum and 0.590 inches maximum fastener length, knurled no. 5 head style, right-hand thread direction

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: 0.187 inches nominal
Fastener Length: 0.550 inches minimum and 0.590 inches maximum
Head Style: knurled no. 5
Head Diameter: 0.420 inches nominal
Head Height: 0.495 inches nominal
Internal Drive Style: slot
Material Accommodated Thickness: 0.032 inches minimum and 0.093 inches maximum
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Special Features: two washers
Material: steel comp 302 primary washer
Material: steel comp 302 spring
Material: steel comp 303 or steel comp 303ma or steel comp 303pb or steel comp 303 plus x or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 347 or steel comp 348 stand-off
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 fastener
Material Document And Classification: astm a493 assn std all material responses fastener
Material Document And Classification: astm a580 cond. a assn std single material response spring
Material Document And Classification: mil-s-5059 mil spec single material response primary washer
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
720285-65	Panel Screw Assembly
CS90045-08-5-3	Panel Screw Assembly
FCS9004S-08-4-2	Panel Screw Assembly
FRS7500-8-B-4	Panel Screw Assembly
FT1058-8-2-4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-323-3785?

The FSCG of the NSN 5305-01-323-3785 is 5305

Does the NSN 5305-01-323-3785 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-323-3785 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 5305-01-323-3785 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-323-3785 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 5305-01-323-3785 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Jul 26, 1990