The Mounting Base,electrical Equipme, cataloged under National Stock Number 5975-01-504-4912, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-01-504-4912 |
| Item Name | Mounting Base,electrical Equipme |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Holes Along Depth | 5.375 INCHES NOMINAL IN |
| Style Designator | TRAY TYPE |
| Material Document and Classification | QQ-4-250/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Center to Center Distance Between Mounting Holes Along Width | 4.835 INCHES MINIMUM AND 4.887 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 5052 |
| Vibration Mount Type | CUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 21497-1 | 3/2 Design control — primary reference U.S. Government activity |
| SM-D-461968 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 5975-01-504-4912 is a Mounting Base,electrical Equipme, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-728-6607. Verify interchangeability with system specifications before substitution.
Key specifications for 5975-01-504-4912: Center to Center Distance Between Mounting Holes Along Depth: 5.375 INCHES NOMINAL IN; Style Designator: TRAY TYPE; Material Document and Classification: QQ-4-250/8 FED SPEC SINGLE MATERIAL RESPONSE; Overall Width: 5.062 INCHES MINIMUM AND 5.072 INCHES MAXIMUM IN. 6 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.