5305-01-085-3231

Find complete technical information, availability, and procurement data for: 5305-01-085-3231
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-085-3231

Item Name Code

22846

Assigment Date

11/06/1979 (46 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

right-hand thread direction, 0.507 inches minimum and 0.537 inches maximum fastener length, 3a thread class, 0.372 inches minimum and 0.422 inches maximum thread length, flat countersunk 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
Thread Length: 0.372 inches minimum and 0.422 inches maximum
Fastener Length: 0.507 inches minimum and 0.537 inches maximum
Head Style: flat countersunk
Head Diameter: 0.456 inches minimum and 0.508 inches maximum
Shoulder Diameter: 0.2802 inches minimum and 0.2807 inches maximum first shoulder
Shoulder Length: 0.020 inches minimum and 0.040 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Special Features: internal hexagon socket in threaded end 0.0947 in. min and 0.0967in. max width across flats
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
11917-4-2	Shoulder Screw
HT4009-4-2	Shoulder Screw
ST3M505-4-2	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-085-3231?

The FSCG of the NSN 5305-01-085-3231 is 5305

Does the NSN 5305-01-085-3231 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-085-3231 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 5305-01-085-3231 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-085-3231 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 5305-01-085-3231 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Tue, Nov 6, 1979