The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-472-5916, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-472-5916 |
| Primary Part Number | 3M310C5-8-10 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Receptacle Overall Length | 1.033 INCHES MAXIMUM IN |
| Receptacle Thread Size and Series/type Designator | 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE BARREL |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Turnlock Receptacle Style | RECEPTACLE |
| Turnlock Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE RETAINER |
| Surface Treatment | SILVER STUD |
| Surface Treatment | PASSIVATE BARREL |
| Precious Material and Location | STUD FINISH (SILVER PLATE) SILVER |
| Receptacle Height | 0.617 INCHES MAXIMUM IN |
| Material | IRON ALLOY 660 RETAINER |
| Material | IRON ALLOY 660 BARREL |
| Material | IRON ALLOY 660 STUD |
| Stud Protrusion Length | 0.625 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 |
|---|---|
| M196012-5-8-10 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 3M310C5-8-10 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 196012-5-8-10 | 5/2 Secondary reference U.S. Government activity |
| 196012-5-8-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-472-5916 is a Receptacle,turnlock Fastener, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-472-5916 has 2 manufacturer part numbers on file: M196012-5-8-10 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 3M310C5-8-10 (The Boeing Company Div Defense).
Key specifications for 3M310C5-8-10: Receptacle Overall Length: 1.033 INCHES MAXIMUM IN; Receptacle Thread Size and Series/type Designator: 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF); 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. 19 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.