The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-276-7537, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-276-7537 |
| Primary Part Number | CA18292C |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Receptacle Overall Length | 0.927 INCHES NOMINAL IN |
| Receptacle Thread Size and Series/type Designator | 0.164-32 UNJC |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BARREL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES RECEPTACLE |
| Center to Center Distance Between Mounting Holes | 0.685 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Material Document and Classification | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE BARREL |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.531 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BARREL |
| Surface Treatment | CADMIUM AND CHROMATE RECEPTACLE |
| Receptacle Height | 0.570 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING RECEPTACLE |
| Material | IRON ALLOY 660 STUD |
| Material | STEEL COMP 303 OR STEEL COMP 303SE BARREL |
| 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 |
|---|---|
| CA18292C PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| GR520CG1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5325-01-276-7537 is a Receptacle,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-276-7537 has 1 manufacturer part number on file: CA18292C (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA18292C: Receptacle Overall Length: 0.927 INCHES NOMINAL IN; Receptacle Thread Size and Series/type Designator: 0.164-32 UNJC; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BARREL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES RECEPTACLE. 18 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.