The Guard,switch, cataloged under National Stock Number 5930-00-177-8285, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5930-00-177-8285 |
| Primary Part Number | 10904990 |
| Item Name | Guard,switch |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Method | UNTHREADED HOLE(S) |
| Surface Treatment | PAINT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10904990 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 10904990 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 10904990 | L Barge and Associates Inc (USA) |
| 10904990 | Fabrication Specialty Inc Dba Fabrication Specialty Inc (USA) |
| Reference | Meaning |
|---|---|
| 10904990 | 5/9 Secondary reference General Dynamics Land Systems Inc. |
NSN 5930-00-177-8285 is a Guard,switch, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-177-8285 has 4 manufacturer part numbers on file: 10904990 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 10904990 (U S Army Tank Automotive Command Amsta-Im-Mm), 10904990 (L Barge and Associates Inc), 10904990 (Fabrication Specialty Inc Dba Fabrication Specialty Inc).
Key specifications for 10904990: Mounting Method: UNTHREADED HOLE(S); Surface Treatment: PAINT; End Item Identification: M-60 TANK; ARMORED VEHICLE LAUNCH BRIDGE. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.