The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-00-917-9644, 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 16 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-917-9644 |
| Primary Part Number | C393-5-8-5 |
| 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 | 1.140 INCHES MAXIMUM IN |
| Receptacle Thread Size and Series/type Designator | 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF) |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Center to Center Distance Between Mounting Holes | 0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE BARREL |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.500 INCHES MAXIMUM IN |
| Turnlock Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Receptacle Height | 0.617 INCHES MAXIMUM IN |
| Material | STEEL COMP 8740 BARREL |
| Material | STEEL COMP 1050 RETAINER |
| Material | STEEL COMP 8740 STUD |
| 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 |
|---|---|
| C393-5-8-5 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 3M304-5-8-5 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| C393-5-8-5 | 7/2 Vendor item drawing reference U.S. Government activity |
| C393-5-8-5 | 3/2 Design control — primary reference U.S. Government activity |
| PAF1950-5-8-5 | 5/9 Secondary reference U.S. Government activity |
| PAF50-5-8-5 | 5/9 Secondary reference U.S. Government activity |
| 3M304-5-8-5 | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| 1950-5-8-5 | 5/1 Secondary reference U.S. Government activity |
| PAF50-5-8-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-917-9644 is a Receptacle,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-917-9644 has 2 manufacturer part numbers on file: C393-5-8-5 (Howmet Global Fastening Systems Inc. Div Tridair Products), 3M304-5-8-5 (The Boeing Company Div Defense).
Key specifications for C393-5-8-5: Receptacle Overall Length: 1.140 INCHES MAXIMUM IN; Receptacle Thread Size and Series/type Designator: 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF); Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Center to Center Distance Between Mounting Holes: 0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN. 16 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.