The Worm, cataloged under National Stock Number 6340-00-604-0323, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Grimes Aerospace Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Worm |
| FSC / FSG | 6340 — Aircraft Alarm and Signal Systems (FSG 63) |
| Manufacturers | Grimes Aerospace Company (CAGE 72914) |
| Parameter | Value |
|---|---|
| NSN | 6340-00-604-0323 |
| Primary Part Number | 21067-21 |
| Item Name | Worm |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 21067-21 PRIMARY | Grimes Aerospace Company (USA) |
NSN 6340-00-604-0323 is a Worm, manufactured by Grimes Aerospace Company, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-00-604-0323 has 1 manufacturer part number on file: 21067-21 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-135-7652. Verify interchangeability with system specifications before substitution.
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.