The Indicator,angle, cataloged under National Stock Number 6320-01-491-0327, is classified within Federal Supply Class 6320 (Shipboard Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6320-01-491-0327 |
| Primary Part Number | 566-6985433-A1 |
| Item Name | Indicator,angle |
| FSC / FSG | 6320 / 63 — Shipboard Alarm and Signal Systems |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Usage Design | PLANE ANGLE STERN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 566-6985433-A1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6985433 | D/9 Drawing number reference only Naval Sea Systems Command |
| H623-0506-A1 | 5/2 Secondary reference U.S. Government activity |
NSN 6320-01-491-0327 is a Indicator,angle, manufactured by Naval Sea Systems Command, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
NSN 6320-01-491-0327 has 1 manufacturer part number on file: 566-6985433-A1 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 6320-01-492-1976, 5342-01-707-8179, 5340-01-720-7211. Verify interchangeability with system specifications before substitution.
Key specifications for 566-6985433-A1: Usage Design: PLANE ANGLE STERN; Part Name Assigned by Controlling Agency: FOLLOW UP MECHANISM STERN DIVE PORT; End Item Identification: LOS ANGELES SSN (688). 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 6320-01-491-0327 has DEMIL Code B. 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.