The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-181-7517, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-181-7517 |
| Primary Part Number | D4-RF5CBCNA |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Receptacle Overall Length | 1.875 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE |
| Turnlock Receptacle Style | RECEPTACLE |
| Features Provided | PROTECTIVE CAP |
| Receptacle Width | 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN |
| Turnlock Mounting Hole Diameter | 0.281 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN |
| Receptacle Height | 0.580 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 RECEPTACLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D4-RF5CBCNA | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| RF6 | 3/9 Design control — primary reference Southco Inc |
| GR520D-12 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 2600-18F-C3C | 5/9 Secondary reference Southco Inc |
NSN 5325-01-181-7517 is a Receptacle,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-181-7517 has 1 manufacturer part number on file: D4-RF5CBCNA (Southco Inc).
2 possible matches (shared part number, not a government interchangeability claim): 9140-01-468-9164, 6230-01-490-0897. Verify interchangeability with system specifications before substitution.
Key specifications for D4-RF5CBCNA: Receptacle Overall Length: 1.875 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes: 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN; Mounting Style: PLAIN W/MOUNTING HOLE; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.