The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-00-284-2161, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-284-2161 |
| Primary Part Number | 3M304C5-8-5 |
| 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 | 0.190-32 UNF |
| Center to Center Distance Between Mounting Holes | 0.875 INCHES NOMINAL IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | 23-107 TY A286 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| 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 |
| Receptacle Height | 0.617 INCHES MINIMUM IN |
| Material | STEEL 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 |
|---|---|
| M195012-5-8-5 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 3M304C5-8-5 PRIMARY | The Boeing Company Div Defense (USA) |
| 195012-5-8-5 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 3M304 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 195012-5-8-5 | 5/9 Secondary reference U.S. Government activity |
| 195012-5-8-5 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-00-284-2161 is a Receptacle,turnlock Fastener, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-284-2161 has 3 manufacturer part numbers on file: M195012-5-8-5 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 3M304C5-8-5 (The Boeing Company Div Defense), 195012-5-8-5 (Howmet Global Fastening Systems Inc. Div Tridair Products).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-495-9185. Verify interchangeability with system specifications before substitution.
Key specifications for 3M304C5-8-5: Receptacle Overall Length: 1.140 INCHES MAXIMUM IN; Receptacle Thread Size and Series/type Designator: 0.190-32 UNF; Center to Center Distance Between Mounting Holes: 0.875 INCHES NOMINAL IN; Mounting Style: PLAIN W/MOUNTING HOLE. 10 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.