The Insulation,thermal,special Purpo, cataloged under National Stock Number 1420-01-294-6322, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1420-01-294-6322 |
| Primary Part Number | 55473-12 |
| Item Name | Insulation,thermal,special Purpo |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
| Status | ACTIVE |
| Supplementary Features | END ITEM LGM-118A PEACEKEEPER MISSILE A |
| Material | CORK LAYER ALL LAYERS |
| Layer Quantity | 1 ALL LAYERS |
| Nuclear Hardness Critical Feature | HARDENED |
| Layer Thickness | 0.125 INCHES NOMINAL ALL LAYERS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | H |
| Part Number | Manufacturer |
|---|---|
| 55473-12 PRIMARY | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
NSN 1420-01-294-6322 is a Insulation,thermal,special Purpo, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-01-294-6322 has 1 manufacturer part number on file: 55473-12 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
Key specifications for 55473-12: Supplementary Features: END ITEM LGM-118A PEACEKEEPER MISSILE A; Special Features: 4.70 IN. DIAMETER; CENTER HOLE 2.80 IN. DIAMETER; USED ON MISSILE STAGE I; HARDNESS CRITICAL ITEM IN; Material: CORK LAYER ALL LAYERS; Layer Quantity: 1 ALL LAYERS. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1420-01-294-6322 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.