5305-01-290-2707

Find complete technical information, availability, and procurement data for: 5305-01-290-2707
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-290-2707

Item Name Code

33044

Assigment Date

12/09/1988 (37 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

right-hand thread direction, knurled no. 4 head style, 0.677 inches nominal fastener length, 0.250 inches nominal thread length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.250 inches nominal
Fastener Length: 0.677 inches nominal
Head Style: knurled no. 4
Head Diameter: 0.436 inches minimum and 0.466 inches maximum
Head Height: 0.590 inches nominal
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.126 inches minimum and 0.187 inches maximum
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 32
Material: aluminum alloy 6061 head
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 single material response fastener
Material Document And Classification: astm a580 assn std single material response spring
Material Document And Classification: qq-a-225/8 fed spec single material response head
Surface Treatment: anodize head
Surface Treatment: passivate fastener
Surface Treatment: passivate spring
Surface Treatment Document And Classification: mil-a-8625 ty 1 cl 1 mil spec single treatment response head
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
2877556-1	Panel Screw Assembly
DRB7500HS-10-C-3	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-290-2707?

The FSCG of the NSN 5305-01-290-2707 is 5305

Does the NSN 5305-01-290-2707 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-290-2707 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 5305-01-290-2707 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-290-2707 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 5305-01-290-2707 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Dec 9, 1988