5305-01-132-2178

Find complete technical information, availability, and procurement data for: 5305-01-132-2178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-132-2178

Item Name Code

33044

Assigment Date

05/25/1982 (44 years ago)

An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate

0.552 inches nominal fastener length, right-hand thread direction, 3a thread class, 0.531 inches nominal head diameter, knurled no. 4 head style

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Fastener Length: 0.552 inches nominal
Head Style: knurled no. 4
Head Diameter: 0.531 inches nominal
Head Height: 0.530 inches nominal
Material Accommodated Thickness: 0.031 inches minimum and 0.062 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Special Features: quad lead threads
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 384 or steel comp 385 fastener
Material Document And Classification: astm a493 assn std all material responses fastener
Material Document And Classification: qq-a-225/8 fed spec single material response head
Material Document And Classification: qq-a-225/8 fed spec single material response stand-off
Material Document And Classification: qq-w-423 cond b fed spec single material response spring
Surface Treatment: anodize head
Surface Treatment: anodize stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate spring
Surface Treatment Document And Classification: mil-a-8625 type 1 class 1 mil spec single treatment response head
Surface Treatment Document And Classification: mil-a-8625 type 1 class 1 mil spec single treatment response stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response spring
Thread Series Designator: unf

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
DRB7500-12-QA-3	Panel Screw Assembly
DRB7500-12F-A-3	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-132-2178?

The FSCG of the NSN 5305-01-132-2178 is 5305

Does NSN 5305-01-132-2178 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 5305-01-132-2178 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-132-2178 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 5305-01-132-2178 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, May 25, 1982