NSN 1337-01-275-4657 · NIIN 012754657 · Part number 56248-03
Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory · FSC 1337 — Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components · FSG 13 — Ammunition and Explosives · CAGE 07703
Government record, cited
NSN 1337-01-275-4657 — this item is cataloged by the U.S. Government under National Stock Number 1337-01-275-4657. Manufacturer of record part number: 56248-03.
Also searched as1337-01-275-4657 ·
1337012754657 ·
NIIN 012754657 ·
01-275-4657 ·
FSC 1337 Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components · CAGE 07703 · 56248-03
Nearby stock numbers← 1337-01-274-3903 Igniter, Rocket Motor
·
1337-01-276-0422 →
Features
Firing Unit Assembly — FSC 1337
1 manufacturer part number on file
Manufacturer of record: Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory
Identification
NSN: 1337-01-275-4657
NIIN: 012754657
FSC: 1337 — Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components
FSG: 13 — Ammunition and Explosives
Primary part number: 56248-03
Manufacturer: Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory
General Description
The Firing Unit Assembly, cataloged under National Stock Number 1337-01-275-4657, is classified within Federal Supply Class 1337 (Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components) of the Ammunition and Explosives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1337-01-275-4657
Primary Part Number
56248-03
Item Name
Firing Unit Assembly
FSC / FSG
1337 / 13 — Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components
Manufacturer
Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory
Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA)
No interchangeability data on file.
Other items in FSC 1337 — Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1337-00-084-0718
1337-00-084-0718 · Item name not on file
1337-00-651-2062
1337-00-651-2062 · Item name not on file
1337-00-759-4864
1337-00-759-4864 · Item name not on file
1337-01-079-3669
IGNITER
1337-01-085-8567
INITIATOR,ROCKET
1337-01-096-5509
ROCKET MOTOR
1337-01-190-8567
1337-01-190-8567 · Item name not on file
1337-01-272-2355
1337-01-272-2355 · Item name not on file
Frequently Asked Questions
What is NSN 1337-01-275-4657?
NSN 1337-01-275-4657 is a Firing Unit Assembly, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 1337, Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components. Status: active.
What part numbers are listed for NSN 1337-01-275-4657?
NSN 1337-01-275-4657 has 1 manufacturer part number on file: 56248-03 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
What are the specifications of 56248-03?
Key specifications for 56248-03: Overall Length: 8.000 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FTOS FU/FUSC ASSEMBLY; End Item Identification: PEACEKEEPER FLIGHT TERMINATION ORDNANCE SYSTEM MGM-118A A. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1337-01-275-4657 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1337-01-275-4657?
NSN 1337-01-275-4657 has DEMIL Code G. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.