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.

0.597 inches minimum and 0.644 inches maximum fastener length, 0.337 inches minimum and 0.404 inches maximum thread length, flat countersunk head style, right-hand thread direction, 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: 0.337 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