5305-01-666-3126

Find complete technical information, availability, and procurement data for: 5305-01-666-3126
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-666-3126

Item Name Code

29294

Assigment Date

08/31/2017 (8 years ago)

A chemical manufactured specifically for pressurization of rocket engine propellant systems and having a minimum assay by volume of 99.5 percent nitrogen. The impurities shall be limited as necessitated by its special use. Excludes:nitrogen, technical.

3a thread class, right-hand thread direction, 0.597 inches minimum and 0.644 inches maximum fastener length, flat countersunk head style, 0.337 inches minimum and 0.404 inches maximum thread 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: 0.337 inches minimum and 0.404 inches maximum
Fastener Length: 0.597 inches minimum and 0.644 inches maximum
Head Style: flat countersunk
Head Diameter: 0.258 inches minimum and 0.305 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.039 inches minimum and 0.059 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting 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
NAS1581-3-36	Close Tolerance Screw
NAS1581C3T36	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-666-3126?

The FSCG of the NSN 5305-01-666-3126 is 5305

Does the NSN 5305-01-666-3126 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-666-3126 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 5305-01-666-3126 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-666-3126 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 5305-01-666-3126 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Thu, Aug 31, 2017