5305-01-299-2905

Find complete technical information, availability, and procurement data for: 5305-01-299-2905
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-299-2905

Item Name Code

33044

Assigment Date

04/30/1989 (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.)

right-hand thread direction, 0.339 inches minimum and 0.369 inches maximum thread length, knurled no. 1 head style, 0.604 inches minimum and 0.644 inches maximum fastener 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: 0.339 inches minimum and 0.369 inches maximum
Fastener Length: 0.604 inches minimum and 0.644 inches maximum
Head Style: knurled no. 1
Head Diameter: 0.310 inches minimum and 0.340 inches maximum
Head Height: 0.255 inches minimum and 0.285 inches maximum
Internal Drive Style: slot
Material Accommodated Thickness: 0.063 inches minimum and 0.125 inches maximum
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Part Name Assigned By Controlling Agency: navy special project
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 384 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 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
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
D7500-4-B-4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-299-2905?

The FSCG of the NSN 5305-01-299-2905 is 5305

Does the NSN 5305-01-299-2905 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-299-2905 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 5305-01-299-2905 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-299-2905 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 5305-01-299-2905 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sun, Apr 30, 1989