5305-01-298-7339

Find complete technical information, availability, and procurement data for: 5305-01-298-7339
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-298-7339

Item Name Code

33044

Assigment Date

04/20/1989 (37 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.312 inches minimum and 0.317 inches maximum thread length, 3a thread class, right-hand thread direction, knurled no. 4 head style, 0.525 inches nominal fastener length

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: 0.312 inches minimum and 0.317 inches maximum
Fastener Length: 0.525 inches nominal
Head Style: knurled no. 4
Head Diameter: 0.531 inches nominal
Head Height: 0.530 inches nominal
Internal Drive Style: cross recess type 1
Material Accommodated Thickness: 0.156 inches minimum and 0.217 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Material: aluminum alloy 6061 head
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 spring
Material: steel comp 301 primary washer
Material: steel comp 301 secondary washer
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: mil-s-5059 mil spec single material response primary washer
Material Document And Classification: mil-s-5059 mil spec single material response secondary washer
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 primary washer
Surface Treatment: passivate secondary washer
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: mil-a-8625 ty 1 cl 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 primary washer
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response secondary washer
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
FRB7500P-12-D-4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-298-7339?

The FSCG of the NSN 5305-01-298-7339 is 5305

Does the NSN 5305-01-298-7339 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-298-7339 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 5305-01-298-7339 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-298-7339 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 5305-01-298-7339 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Apr 20, 1989