The Insulation,thermal,special Purpo, cataloged under National Stock Number 1420-01-472-4574, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1420-01-472-4574 |
| Primary Part Number | 12986251-3 |
| Item Name | Insulation,thermal,special Purpo |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Length | 2.500 INCHES NOMINAL IN |
| Supplementary Features | ELECTRICAL INSULATION IS FIBERGLASS REINFORCED WITH ADHESIVE ON ONE SIDE |
| Specification/standard Data | 19200-MIL-I-49456A/CANCELLED W/O REPLACEMENT/ GOVERNMENT SPECIFICATION A |
| Material | RUBBER SILICONE CLASS Q LAYER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12986251-3 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| MIL-I-49456A | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 12986251 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 1420-01-472-4574 is a Insulation,thermal,special Purpo, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-01-472-4574 has 1 manufacturer part number on file: 12986251-3 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 1420-01-472-4624. Verify interchangeability with system specifications before substitution.
Key specifications for 12986251-3: Length: 2.500 INCHES NOMINAL IN; Supplementary Features: ELECTRICAL INSULATION IS FIBERGLASS REINFORCED WITH ADHESIVE ON ONE SIDE; Specification/standard Data: 19200-MIL-I-49456A/CANCELLED W/O REPLACEMENT/ GOVERNMENT SPECIFICATION A; Special Features: END ITEM IS NSN2350014360005. 4 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.
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.