The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-134-5908, 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 Voi-Shan Products. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-134-5908 |
| Primary Part Number | 3M310-6-7-2 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| Status | ACTIVE |
| Receptacle Overall Length | 1.050 INCHES MAXIMUM IN |
| Receptacle Thread Size and Series/type Designator | 0.250-28 UNF |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Distance Between Mounting Hole Centers | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes | 0.705 INCHES MINIMUM AND 0.709 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 | AISI ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Turnlock Receptacle Style | RECEPTACLE |
| Turnlock Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE BARREL |
| Surface Treatment | CADMIUM AND CHROMATE STUD |
| Surface Treatment | CADMIUM AND CHROMATE RETAINER |
| Receptacle Height | 0.584 INCHES MAXIMUM IN |
| Material | STEEL COMP 8740 BARREL |
| Material | STEEL COMP 1050 RETAINER |
| Material | STEEL COMP 8740 STUD |
| Stud Protrusion Length | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3M310-6-7-2 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 1960-6-7-2 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 3M310-6-7-2 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| M1960-6-7-2 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 3M310-6-7-2 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 1960-6-7-2 | 5/9 Secondary reference U.S. Government activity |
| 3M310-6-7-2 | 3/2 Design control — primary reference U.S. Government activity |
| 1960-6-7-2 | 5/2 Secondary reference U.S. Government activity |
| 10119268 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5325-01-134-5908 is a Receptacle,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Voi-Shan Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-134-5908 has 4 manufacturer part numbers on file: 3M310-6-7-2 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 1960-6-7-2 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 3M310-6-7-2 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), M1960-6-7-2 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for 3M310-6-7-2: Receptacle Overall Length: 1.050 INCHES MAXIMUM IN; Receptacle Thread Size and Series/type Designator: 0.250-28 UNF; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER. 21 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.