The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-030-5743, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-030-5743 |
| Primary Part Number | 3M310C6-8-1 |
| 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 Thread Size and Series/type Designator | 0.250-28 UNF |
| Center to Center Distance Between Mounting Holes | 0.705 INCHES MINIMUM AND 0.709 INCHES MAXIMUM IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Receptacle Width | 1.050 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| 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 |
|---|---|
| 3M310C6-8-1 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 196012-6-8-1 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| Reference | Meaning |
|---|---|
| 3M310C6-8-1 | 5/2 Secondary reference U.S. Government activity |
| 3M310C6-8-1 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 196012-6-8-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-030-5743 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 5325-01-030-5743 has 2 manufacturer part numbers on file: 3M310C6-8-1 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 196012-6-8-1 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products).
Key specifications for 3M310C6-8-1: Receptacle Thread Size and Series/type Designator: 0.250-28 UNF; Center to Center Distance Between Mounting Holes: 0.705 INCHES MINIMUM AND 0.709 INCHES MAXIMUM IN; Mounting Style: PLAIN W/MOUNTING HOLE; Receptacle Width: 1.050 INCHES NOMINAL IN. 7 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.