The Guard,switch, cataloged under National Stock Number 5930-01-137-6542, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-137-6542 |
| Primary Part Number | SM-B-745219 |
| Item Name | Guard,switch |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc |
| Status | ACTIVE |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| SM-B-745219 | Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc (USA) |
| SM-B-745219 | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-B-745219 | 3/2 Design control — primary reference U.S. Government activity |
| SM-B-745219 | 5/9 Secondary reference Valcore Manufacturing Llc |
| SM-B-745219 | 5/9 Secondary reference Mar-May Precision Co Div of Birch-Cook Industries Inc |
| SM-B-745219 | 5/9 Secondary reference Burke Products Inc |
NSN 5930-01-137-6542 is a Guard,switch, manufactured by Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-137-6542 has 2 manufacturer part numbers on file: SM-B-745219 (Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc), SM-B-745219 (Spencer Industries Inc).
Key specifications for SM-B-745219: Overall Height: 1.125 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Unthreaded Mounting Hole Diameter: 0.500 INCHES NOMINAL IN; Overall Length: 1.375 INCHES NOMINAL IN. 3 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.