The Push Button, cataloged under National Stock Number 5930-00-411-6977, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division. 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. 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 | 5930-00-411-6977 |
| Primary Part Number | 7521-1 |
| Item Name | Push Button |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division |
| Status | ACTIVE |
| Overall Diameter | 0.498 INCHES NOMINAL IN |
| Display Type | FULL |
| Color | CLEAR |
| Material | PLASTIC |
| 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 |
|---|---|
| 7521-1 PRIMARY | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA) |
NSN 5930-00-411-6977 is a Push Button, manufactured by L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-411-6977 has 1 manufacturer part number on file: 7521-1 (L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division).
3 possible matches (shared part number, not a government interchangeability claim): 6550-01-198-2556, 3110-01-337-5812, 5999-01-571-4590. Verify interchangeability with system specifications before substitution.
Key specifications for 7521-1: Overall Diameter: 0.498 INCHES NOMINAL IN; Overall Length: 0.280 INCHES NOMINAL IN; Display Type: FULL; Color: CLEAR. 4 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.