The Guard,switch, cataloged under National Stock Number 5930-00-208-4672, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Autodyne Manufacturing Co Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-208-4672 |
| Primary Part Number | A9238 |
| Item Name | Guard,switch |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.515 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| Material | STEEL |
| 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 |
|---|---|
| A9238 | Autodyne Manufacturing Co Inc (USA) |
| SM-B-745235 | Alek Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| SMB745235 | 5/9 Secondary reference Syncor Industries Corp |
| SM-B-745235 | 3/2 Design control — primary reference U.S. Government activity |
| SMB745235 | 5/9 Secondary reference Grimes Aerospace Company |
| 8916K821 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-208-4672 is a Guard,switch, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-208-4672 has 2 manufacturer part numbers on file: A9238 (Autodyne Manufacturing Co Inc), SM-B-745235 (Alek Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-246-6080. Verify interchangeability with system specifications before substitution.
Key specifications for A9238: Overall Height: 1.093 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Unthreaded Mounting Hole Diameter: 0.515 INCHES NOMINAL IN; Overall Length: 1.812 INCHES NOMINAL IN. 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.