PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1377-M339Catapult,aircraft Ejection Seat

Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics · NSN 1377-00-935-9223 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-00-935-9223 — this item is cataloged by the U.S. Government under National Stock Number 1377-00-935-9223. Primary manufacturer part number: 1377-M339.
Features
  • Catapult,aircraft Ejection Seat — FSC 1377
  • Reference Number Differentiating Characteristics: AGUC,AGXZ
  • Actuator: NOT INCLUDED
  • Hazardous Material Classification Code: 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND C STORAGE COMPATIBILITY GROUP AND J DEPARTMENT OF TRANSPORTATION CLASS
  • Unable to Decode: UNABLE TO DECODE
  • Net Explosive Weight: 6.0 TRANSPORTATION POUNDS
  • Gross Weight: 36.7 SHIPPING CONTAINER POUNDS AND 50067.0 PALLET POUNDS
  • Model Number: M37,/XM37/
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Catapult,aircraft Ejection Seat, cataloged under National Stock Number 1377-00-935-9223, is classified within Federal Supply Class 1377 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1377-00-935-9223
Primary Part Number1377-M339
Item NameCatapult,aircraft Ejection Seat
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerDepartment of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics
StatusACTIVE
Reference Number Differentiating CharacteristicsAGUC,AGXZ
ActuatorNOT INCLUDED
Hazardous Material Classification Code1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND C STORAGE COMPATIBILITY GROUP AND J DEPARTMENT OF TRANSPORTATION CLASS
Unable to DecodeUNABLE TO DECODE
Net Explosive Weight6.0 TRANSPORTATION POUNDS
Gross Weight36.7 SHIPPING CONTAINER POUNDS AND 50067.0 PALLET POUNDS
Model NumberM37,/XM37/
Actuation MethodROCKET MOTOR
Training Usage FeatureNOT INCLUDED
Dod Ammunition Code1377-M339
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-015-842359-10018 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5360-00-104-7667M37 INTERCHANGEABLE
Spring,helical,compression
Die Supply Corp
5910-00-249-5467SMB91186 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5120-00-473-76566248179 INTERCHANGEABLE
Wrench Track Adjust
U S Army Tank Automotive Command Amsta-Im-Mm
1377-00-540-4813 INTERCHANGEABLE
Cartridge,impulse
5910-00-668-1253M37-B501KN INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Viking Technologies, Ltd.
2350-00-835-8067 INTERCHANGEABLE
Howitzer,light,self-Propelled
2320-00-835-83228358322 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
2320-00-835-83238358323 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
4720-01-043-6789SAE-20/2ECLT-A-559X38 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
1377-M339 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
10551840 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
M37 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
3455-00-015-8423INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10018
5360-00-104-7667INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
M37
5910-00-249-5467INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
SMB91186
5120-00-473-7656INTERCHANGEABLE
WRENCH TRACK ADJUST
6248179
1377-00-540-4813INTERCHANGEABLE
CARTRIDGE,IMPULSE
5910-00-668-1253INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
M37-B501KN
2350-00-835-8067INTERCHANGEABLE
HOWITZER,LIGHT,SELF-PROPELLED
2320-00-835-8322INTERCHANGEABLE
TRUCK,CARGO
8358322
2320-00-835-8323INTERCHANGEABLE
TRUCK,CARGO
8358323
4720-01-043-6789INTERCHANGEABLE
HOSE,NONMETALLIC
SAE-20/2ECLT-A-559X38
6240-01-070-0759INTERCHANGEABLE
LAMP
M37
4920-01-608-2125INTERCHANGEABLE
TABLE,TILTING,GYRO INSTRUMENT TE
M-37

Frequently Asked Questions

What is NSN 1377-00-935-9223?

NSN 1377-00-935-9223 is a Catapult,aircraft Ejection Seat, manufactured by Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-00-935-9223?

NSN 1377-00-935-9223 has 3 cross-referenced part numbers: 1377-M339 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 10551840 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), M37 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1377-00-935-9223?

There are 12 known substitutes for 1377-00-935-9223: 3455-00-015-8423, 5360-00-104-7667, 5910-00-249-5467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1377-M339?

Key specifications for 1377-M339: Reference Number Differentiating Characteristics: AGUC,AGXZ; Overall Length: 42.000 INCHES NOMINAL IN; Actuator: NOT INCLUDED; Hazardous Material Classification Code: 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND C STORAGE COMPATIBILITY GROUP AND J DEPARTMENT OF TRANSPORTATION CLASS. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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