5305-01-303-1631

Find complete technical information, availability, and procurement data for: 5305-01-303-1631
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-303-1631

Item Name Code

33044

Assigment Date

06/26/1989 (37 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

3a thread class, knurled no. 1 head style, 1.082 inches nominal fastener length, 0.451 inches nominal head diameter, 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: 3a
Thread Direction: right-hand
Fastener Length: 1.082 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.451 inches nominal
Head Height: 0.520 inches nominal
Internal Drive Style: cross recess type 1
Material Accommodated Thickness: 0.188 inches minimum and 0.250 inches maximum
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel comp 303 fastener
Material Document And Classification: astm a493 assn std single material response fastener
Material Document And Classification: astm a580 cond. b assn std single material response spring
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
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 ty1 cl1 mil spec single treatment response head
Surface Treatment Document And Classification: mil-a-8625 ty1 cl1 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
FT1600P10-4-3	Panel Screw Assembly
W200028	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-303-1631?

The FSCG of the NSN 5305-01-303-1631 is 5305

Does the NSN 5305-01-303-1631 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-303-1631 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 5305-01-303-1631 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-303-1631 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 5305-01-303-1631 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Mon, Jun 26, 1989