The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-454-4635, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-454-4635 |
| Primary Part Number | M1950-5-11-8 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Receptacle Overall Length | 1.140 INCHES NOMINAL IN |
| Receptacle Thread Size and Series/type Designator | 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF) |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| 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 | AS-5085 ASSN STD 1ST MATERIAL RESPONSE OR AMS6350 ASSN STD 2ND MATERIAL RESPONSE RETAINER |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE BARREL |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE STUD |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.500 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM STUD |
| Surface Treatment | CADMIUM RETAINER |
| Surface Treatment | CADMIUM BARREL |
| Receptacle Height | 0.805 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 BARREL |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 STUD |
| Material | STEEL COMP 1050 OR STEEL COMP 4130 RETAINER |
| 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 |
|---|---|
| 3M304-5-11-8 | The Boeing Company Div Defense (USA) |
| M1950-5-11-8 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 1950-5-11-8 | 3/2 Design control — primary reference U.S. Government activity |
| 1950-5-11-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-454-4635 is a Receptacle,turnlock Fastener, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-454-4635 has 2 manufacturer part numbers on file: 3M304-5-11-8 (The Boeing Company Div Defense), M1950-5-11-8 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for M1950-5-11-8: Receptacle Overall Length: 1.140 INCHES NOMINAL IN; Receptacle Thread Size and Series/type Designator: 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF); Surface Treatment Document and Classification: QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL; Surface Treatment Document and Classification: QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER. 20 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.