The Insulation,nuclear Radiation, cataloged under National Stock Number 1420-01-439-5512, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1420-01-439-5512 |
| Item Name | Insulation,nuclear Radiation |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Status | ACTIVE |
| Nuclear Hardness Critical Feature | HARDENED |
| 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 |
| Reference | Meaning |
|---|---|
| 1175951-14 | 3/9 Design control — primary reference Aerojet Rocketdyne Inc |
| 1175951 | 5/9 Secondary reference Aerojet Rocketdyne Inc |
NSN 1420-01-439-5512 is a Insulation,nuclear Radiation, classified under FSC 1420, Guided Missile Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7045-01-631-9138. Verify interchangeability with system specifications before substitution.
Key specifications for 1420-01-439-5512: Special Features: CORK SHEETING .12 THICK SPC-34238; Part Name Assigned by Controlling Agency: INSULATION,EXIT CONE ASSY-TRANSLATING; End Item Identification: LG118A PEACEKEEPER; Nuclear Hardness Critical Feature: HARDENED. 1 specification is 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 1420-01-439-5512 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.