5305-01-688-0781

Find complete technical information, availability, and procurement data for: 5305-01-688-0781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-688-0781

Item Name Code

16282

Assigment Date

05/01/2020 (6 years ago)

A regulator designed to automatically turn on the fuel and ignition at a specific percent of speed for starting a turbo-jet engine. At another speed, it cuts the ignition and places the fuel pumps in series operation. At still another fixed speed, it shuts off the compressor, bleeds and restores electronic devices to their normal circuits.

0.250 inches nominal thread length, 0.884 inches nominal fastener length, 2a thread class, hexagon head style, 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: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches nominal
Fastener Length: 0.884 inches nominal
Head Style: hexagon
Head Height: 0.187 inches nominal
Width Between Flats: 0.309 inches nominal
Internal Drive Style: hexagon
End Item Identification: 5840-01-669-5071
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.157 inches nominal
Thread Quantity Per Inch: 32
Material: aluminum alloy 6061 ring
Material: steel comp 302 spring
Material: steel corrosion resisting fastener
Material Document And Classification: ms5731 assn std single material response or ams5735 assn std single material response or ams5736 assn std single material response or ams5737 assn std single material response fastener
Material Document And Classification: qq-a-225-8 fed spec single material response ring
Material Document And Classification: qq-w-423, cond b fed spec single material response or astm-a-313 assn std single material response spring
Surface Treatment: anodize ring
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: mil-a-8625, type i, class 1 mil spec single treatment response ring
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
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
FTH1085-10-3-5	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-688-0781?

The FSCG of the NSN 5305-01-688-0781 is 5305

Does the NSN 5305-01-688-0781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-688-0781 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 5305-01-688-0781 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-688-0781 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 5305-01-688-0781 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Fri, May 1, 2020