The Nut,coupling,electrical Conduit, cataloged under National Stock Number 5975-00-522-7125, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5975-00-522-7125 |
| Primary Part Number | 10-40457-12S |
| Item Name | Nut,coupling,electrical Conduit |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | CANCELLED |
| Item Accommodated Trade Size | 0.750 INCHES SINGLE END IN |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Style Designator | HEXAGON |
| Surface Treatment | CADMIUM |
| Conduit Type Accommodated | FLEXIBLE METALLIC SINGLE END |
| Material | ALUMINUM ALLOY |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6780746-3 | Rolls-Royce Corporation (USA) |
| 6780746-3 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 10-40457-12S PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 5975005227125 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 7-10-40457-12S | 5/9 Secondary reference Universal Logistics Corp Clark Div |
| 67183 | E/8 Replaced / superseded reference U.S. Government activity |
| 67183 | E/8 Replaced / superseded reference Unison Industries Llc |
| 6780746-3 | 5/1 Secondary reference General Motors Corp |
NSN 5975-00-522-7125 is a Nut,coupling,electrical Conduit, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5975, Electrical Hardware and Supplies. Status: cancelled.
NSN 5975-00-522-7125 has 3 manufacturer part numbers on file: 6780746-3 (Rolls-Royce Corporation), 6780746-3 (Allison Transmission Inc Dba Allison Transmission, Inc), 10-40457-12S (Amphenol Corp Div Amphenol Aerospace Operations).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-236-4387, 5110-01-504-8448. Verify interchangeability with system specifications before substitution.
Key specifications for 10-40457-12S: Item Accommodated Trade Size: 0.750 INCHES SINGLE END IN; Width Across Flats: 0.875 INCHES NOMINAL IN; Style Designator: HEXAGON; Overall Length: 0.438 INCHES NOMINAL 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.
NSN 5975-00-522-7125 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.