NSN 1377-00-394-5842, 1377003945842
CATAPULT,AIRCRAFT EJECTION SEAT

Federal Supply Classification: FSC 1377 - Cartridge and Propellant Actuated Devices and Components
National Item Identification Number: NIIN 003945842
Codification Country: United States
Item Name Code: INC 20517
Criticality: (Y) This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (Y) Information is in the Hazardous Materials Information Resource System (HMIRS).

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 1377-00-394-5842

National Stock Number (NSN) 1377-00-394-5842, or NIIN 003945842, (catapult,aircraft ejection seat) was assigned April 8, 1974 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 20517. [AN ITEM DESIGNED TO PROPEL AN EJECTION SEAT WITH PERSONNEL FROM AN AIRCRAFT.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 1377003945842 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

III OVERALL LENGTH: (ABHP) 39.000 INCHES NOMINAL
DOT HAZARD CLASS/DIVISION: (HAZD) 1.3
OVERALL LENGTH: (ABHP) 39.000 INCHES NOMINAL
DOD AMMUNITION CODE: (DDAC) 1377-MD12
DOT REGISTRATION CODE: (DTRC) EX1988090916
DOT PROPER SHIPPING NAME: (SHPN) ROCKET MOTORS
TRAINING USAGE FEATURE: (AXJC) NOT INCLUDED
CRITICALITY CODE JUSTIFICATION: (CRTL) EXWT
ACTUATION METHOD: (AFLW) PRESSURE
HAZARDOUS MATERIAL CLASSIFICATION CODE: (HMCC) 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
DOT WARNING LABEL CODE: (WLBL) 1.3C
END ITEM IDENTIFICATION: (AGAV) F-100
NET EXPLOSIVE WEIGHT: (EXWT) 6.3 STORAGE POUNDS AND 6.3 TRANSPORTATION POUNDS
GROSS WEIGHT: (GRWT) 43.5 SHIPPING CONTAINER POUNDS
QUANTITY PER SHIPPING CONTAINER: (QTSC) 1
DOT IDENTIFICATION NUMBER: (DENN) UN0186