2990-01-523-1397

Find complete technical information, availability, and procurement data for: 2990-01-523-1397
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-523-1397

Item Name Code

39921

Assigment Date

08/23/2004 (22 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

cooling group end item identification, feat criticality code justification, weapons system essential. 4.0 v6 12v sohc efi. 40 vsex 303-03/20b thermostat/housing and related parts. special features

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

End Item Identification: cooling group
Criticality Code Justification: feat
Special Features: weapons system essential. 4.0 v6 12v sohc efi. 40 vsex 303-03/20b thermostat/housing and related parts.

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
3L8Z12A648BA	Engine Coolant Temperatur Sensor
DY882	Engine Coolant Temperatur Sensor

FAQs

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

What is the FSCG of the NSN 2990-01-523-1397?

The FSCG of the NSN 2990-01-523-1397 is 2990

Does the NSN 2990-01-523-1397 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2990-01-523-1397 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 2990-01-523-1397 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-523-1397 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 2990-01-523-1397 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Mon, Aug 23, 2004