NSN 1420-01-355-4474 — this item is cataloged by the U.S. Government under National Stock Number 1420-01-355-4474. Manufacturer of record part number: 40A11987-2.
The Seal,nonmetallic,special Purpose, cataloged under National Stock Number 1420-01-355-4474, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Raytheon Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Other items in FSC 1420 — Guided Missile Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1420-00-004-7518
1420-00-004-7518 · Item name not on file
1420-00-021-6663
1420-00-021-6663 · Item name not on file
1420-00-050-8454
1420-00-050-8454 · Item name not on file
1420-00-054-3057
1420-00-054-3057 · Item name not on file
1420-00-060-6502
1420-00-060-6502 · Item name not on file
1420-00-073-5916
1420-00-073-5916 · Item name not on file
1420-00-075-2378
1420-00-075-2378 · Item name not on file
1420-00-078-4165
1420-00-078-4165 · Item name not on file
Frequently Asked Questions
What is NSN 1420-01-355-4474?
NSN 1420-01-355-4474 is a Seal,nonmetallic,special Purpose, manufactured by Raytheon Company, classified under FSC 1420, Guided Missile Components. Status: active.
What part numbers are listed for NSN 1420-01-355-4474?
NSN 1420-01-355-4474 has 1 manufacturer part number on file: 40A11987-2 (Raytheon Company).
What are the specifications of 40A11987-2?
Key specifications for 40A11987-2: Criticality Code Justification: FEAT; Special Features: NUCLEAR HARDNESS CRITICAL ITEM; End Item Identification: PACER SPECIAL. 1 specification is documented in the U.S. Government catalog.
Is NSN 1420-01-355-4474 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 1420-01-355-4474?
NSN 1420-01-355-4474 has DEMIL Code B. 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.