PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1256-1Initiator,propellant Actuated

Rockwell Collins Inc · NSN 1377-01-102-8963 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-01-102-8963 — this item is cataloged by the U.S. Government under National Stock Number 1377-01-102-8963. Primary manufacturer part number: 1256-1.
Features
  • Initiator,propellant Actuated — FSC 1377
  • Cartridge: NOT INCLUDED
  • Dot Registration Code: EX1988080353
  • Gross Weight: 2.0 SHIPPING CONTAINER POUNDS
  • Unable to Decode: UNABLE TO DECODE
  • Dot Proper Shipping Name: CARTRIDGES, POWER DEVICE
  • Dot Hazard Class/division: 1.4
  • Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Initiator,propellant Actuated, cataloged under National Stock Number 1377-01-102-8963, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN1377-01-102-8963
Primary Part Number1256-1
Item NameInitiator,propellant Actuated
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerRockwell Collins Inc
StatusACTIVE
CartridgeNOT INCLUDED
Dot Registration CodeEX1988080353
Gross Weight2.0 SHIPPING CONTAINER POUNDS
Unable to DecodeUNABLE TO DECODE
Dot Proper Shipping NameCARTRIDGES, POWER DEVICE
Dot Hazard Class/division1.4
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Net Explosive Weight0.0098 STORAGE POUNDS AND 0.0098 TRANSPORTATION POUNDS
Dod Ammunition Code1377-MT65
Dot Identification NumberUN0276
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-060-2043580R064H01 INTERCHANGEABLE
Dummy Load,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5110-00-203-4936 INTERCHANGEABLE
File,hand
5950-00-421-9286PS76264-1 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Rc Displays Systems
5945-00-511-03401256-1 INTERCHANGEABLE
Relay,electromagnetic
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5950-00-567-447612561 INTERCHANGEABLE
Reactor
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5120-00-632-973112561 INTERCHANGEABLE
Wrench,compressor N
Stanley Industrial & Automotive Llc
5120-00-869-6987 INTERCHANGEABLE
Bit,male Contact Re
6140-01-225-5935PS-670 INTERCHANGEABLE
Battery,storage
Power-Sonic Corporation
1377-01-346-22216101100-06 INTERCHANGEABLE
Initiator,propellant Actuated
Chemring Energetic Devices Inc
5340-01-349-317612561 INTERCHANGEABLE
Cover,access
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
1377PL0662533 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1377-MT65 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
1256-1 Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA)
16VK020-6 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
1256-1 PRIMARY Rockwell Collins Inc (USA)
Related Parts
5985-00-060-2043INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
580R064H01
5110-00-203-4936INTERCHANGEABLE
FILE,HAND
5950-00-421-9286INTERCHANGEABLE
REACTOR
PS76264-1
5945-00-511-0340INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1256-1
5950-00-567-4476INTERCHANGEABLE
REACTOR
12561
5120-00-632-9731INTERCHANGEABLE
WRENCH,COMPRESSOR N
12561
5120-00-869-6987INTERCHANGEABLE
BIT,MALE CONTACT RE
6140-01-225-5935INTERCHANGEABLE
BATTERY,STORAGE
PS-670
1377-01-346-2221INTERCHANGEABLE
INITIATOR,PROPELLANT ACTUATED
6101100-06
5340-01-349-3176INTERCHANGEABLE
COVER,ACCESS
12561
5330-01-367-2292INTERCHANGEABLE
SEAL,PLAIN
125-61
4320-01-367-4063INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
12561

Frequently Asked Questions

What is NSN 1377-01-102-8963?

NSN 1377-01-102-8963 is a Initiator,propellant Actuated, manufactured by Rockwell Collins Inc, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-01-102-8963?

NSN 1377-01-102-8963 has 5 cross-referenced part numbers: 1377PL0662533 (Jednolity Indeks Materialowy - Uniform Material Index), 1377-MT65 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 1256-1 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.), 16VK020-6 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 1256-1 (Rockwell Collins Inc).

What NSN replaces 1377-01-102-8963?

There are 12 known substitutes for 1377-01-102-8963: 5985-00-060-2043, 5110-00-203-4936, 5950-00-421-9286 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1256-1?

Key specifications for 1256-1: Cartridge: NOT INCLUDED; Dot Registration Code: EX1988080353; Gross Weight: 2.0 SHIPPING CONTAINER POUNDS; Special Features: CRITICAL FOR CSI ITEM. 13 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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