The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-00-008-2225, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-008-2225 |
| Primary Part Number | 2500-18F-C3Y |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Receptacle Overall Length | 1.630 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL |
| Center to Center Distance Between Mounting Holes | 1.000 INCHES NOMINAL IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Receptacle Width | 0.880 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.261 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BARREL |
| Receptacle Height | 0.563 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 BARREL |
| 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 |
|---|---|
| 2500-18F-C3Y PRIMARY | Southco Inc (USA) |
| 138AS146-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| RF5CBY | 5/9 Secondary reference Southco Inc |
| RF5-8P | 5/9 Secondary reference Southco Inc |
NSN 5325-00-008-2225 is a Receptacle,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-008-2225 has 2 manufacturer part numbers on file: 2500-18F-C3Y (Southco Inc), 138AS146-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5325-00-602-1230. Verify interchangeability with system specifications before substitution.
Key specifications for 2500-18F-C3Y: Receptacle Overall Length: 1.630 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL; Center to Center Distance Between Mounting Holes: 1.000 INCHES NOMINAL IN; Mounting Style: PLAIN W/MOUNTING HOLE. 9 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.