The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-194-0777, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-194-0777 |
| Primary Part Number | PR3 1/2-1-5937 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Receptacle Overall Length | 5.937 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes | 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | QQ-A-200/8,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.375 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.128 INCHES NOMINAL IN |
| Receptacle Height | 0.781 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 6133488-1 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| PR3 1/2-1-5937 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| PR3 1/2-1-5937 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-194-0777 is a Receptacle,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-194-0777 has 2 manufacturer part numbers on file: 6133488-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), PR3 1/2-1-5937 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for PR3 1/2-1-5937: Receptacle Overall Length: 5.937 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Mounting Style: PLAIN W/MOUNTING HOLE; Material Document and Classification: QQ-A-200/8,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.