The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-727-4576, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-727-4576 |
| Primary Part Number | 3M304C5-8-7 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Receptacle Overall Length | 1.140 INCHES MAXIMUM IN |
| Receptacle Thread Size and Series/type Designator | 0.1900-32 UNF |
| Surface Treatment Document and Classification | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE STUD |
| Surface Treatment Document and Classification | AMS2700 METHOD 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE BARREL |
| Surface Treatment Document and Classification | AMS2700 METHOD 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE RETAINER |
| Precious Material | SILVER |
| 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 | A286 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Turnlock Receptacle Style | RECEPTACLE |
| Specification/standard Data | 76301-3-304 MANUFACTURERS STANDARD |
| Receptacle Width | 0.500 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE RETAINER |
| Surface Treatment | SILVER STUD |
| Surface Treatment | PASSIVATE BARREL |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| M195012-5-8-7 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 3M304C5-8-7 PRIMARY | The Boeing Company Div Defense (USA) |
| 195012-5-8-7 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 195012-5-8-7 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 195012-5-8-7 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-727-4576 is a Receptacle,turnlock Fastener, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-727-4576 has 4 manufacturer part numbers on file: M195012-5-8-7 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 3M304C5-8-7 (The Boeing Company Div Defense), 195012-5-8-7 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 195012-5-8-7 (Howmet Global Fastening Systems Inc).
Key specifications for 3M304C5-8-7: Receptacle Overall Length: 1.140 INCHES MAXIMUM IN; Receptacle Thread Size and Series/type Designator: 0.1900-32 UNF; Surface Treatment Document and Classification: AMS2410 ASSN STD SINGLE TREATMENT RESPONSE STUD; Surface Treatment Document and Classification: AMS2700 METHOD 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE BARREL. 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.