PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1257-1Initiator,cartridge Actuated

Rockwell Collins Inc · NSN 1377-01-346-2216 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-01-346-2216 — this item is cataloged by the U.S. Government under National Stock Number 1377-01-346-2216. Primary manufacturer part number: 1257-1.
Features
  • Initiator,cartridge Actuated — FSC 1377
  • Cartridge: INCLUDED
  • Dot Proper Shipping Name: CARTRIDGES, POWER DEVICE
  • Detonation Initiation Method: GAS
  • Net Explosive Weight: 0.0044 STORAGE POUNDS AND 0.0044 TRANSPORTATION POUNDS
  • Dot Hazard Class/division: 1.4
  • Criticality Code Justification: EXWT
  • Dod Ammunition Code: 1377-MT36
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Initiator,cartridge Actuated, cataloged under National Stock Number 1377-01-346-2216, is classified within Federal Supply Class 1377 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Rockwell Collins Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1377-01-346-2216
Primary Part Number1257-1
Item NameInitiator,cartridge Actuated
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerRockwell Collins Inc
StatusACTIVE
CartridgeINCLUDED
Dot Proper Shipping NameCARTRIDGES, POWER DEVICE
Detonation Initiation MethodGAS
Net Explosive Weight0.0044 STORAGE POUNDS AND 0.0044 TRANSPORTATION POUNDS
Dot Hazard Class/division1.4
Criticality Code JustificationEXWT
Dod Ammunition Code1377-MT36
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Dot Identification NumberUN0276
Dot Registration CodeEX1988070535A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6130-00-134-5520NP28-0-6-0L INTERCHANGEABLE
Power Supply
Technipower Llc Dba Unipower
4330-00-287-874408P00410TE INTERCHANGEABLE
Filter Element,fluid
Met-Pro Corporation
5930-00-422-22051257-1 INTERCHANGEABLE
Switch,push
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6685-00-527-71872025018507 INTERCHANGEABLE
Gage,pressure,dial Indicating
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5120-00-869-6986 INTERCHANGEABLE
Bit,crimped Contact
3030-01-037-8351 INTERCHANGEABLE
Belt,v
2915-01-145-50231-257-1 INTERCHANGEABLE
Valve,fuel Float Vent
Parker Hannifin Corporation Div Aerospace Group Headquarters
5930-01-195-553875J588001-105 INTERCHANGEABLE
Switch,pressure
The Boeing Company Div Defense
5315-01-299-9306 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
20Q2016-1 Lockheed Martin Corporation (USA)
1257-1 Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA)
1377-MT36 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
1257-1 PRIMARY Rockwell Collins Inc (USA)
Related Parts
6130-00-134-5520INTERCHANGEABLE
POWER SUPPLY
NP28-0-6-0L
4330-00-287-8744INTERCHANGEABLE
FILTER ELEMENT,FLUID
08P00410TE
5930-00-422-2205INTERCHANGEABLE
SWITCH,PUSH
1257-1
6685-00-527-7187INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2025018507
5120-00-869-6986INTERCHANGEABLE
BIT,CRIMPED CONTACT
3030-01-037-8351INTERCHANGEABLE
BELT,V
2915-01-145-5023INTERCHANGEABLE
VALVE,FUEL FLOAT VENT
1-257-1
5930-01-195-5538INTERCHANGEABLE
SWITCH,PRESSURE
75J588001-105
5315-01-299-9306INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 1377-01-346-2216?

NSN 1377-01-346-2216 is a Initiator,cartridge Actuated, manufactured by Rockwell Collins Inc, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-01-346-2216?

NSN 1377-01-346-2216 has 4 cross-referenced part numbers: 20Q2016-1 (Lockheed Martin Corporation), 1257-1 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.), 1377-MT36 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 1257-1 (Rockwell Collins Inc).

What NSN replaces 1377-01-346-2216?

There are 9 known substitutes for 1377-01-346-2216: 6130-00-134-5520, 4330-00-287-8744, 5930-00-422-2205 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1257-1?

Key specifications for 1257-1: Cartridge: INCLUDED; Dot Proper Shipping Name: CARTRIDGES, POWER DEVICE; Detonation Initiation Method: GAS; Net Explosive Weight: 0.0044 STORAGE POUNDS AND 0.0044 TRANSPORTATION POUNDS. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com