The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-317-0587, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-317-0587 |
| Primary Part Number | CA18349 |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Receptacle Thread Size and Series/type Designator | 0.4375-20 UNF |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM A581 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR ASTM 582 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE BARREL |
| Surface Treatment | PASSIVATE BARREL |
| Receptacle Height | 0.600 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Material | IRON ALLOY 660 STUD |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| CA18349 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 2903488-2 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5325-01-317-0587 is a Receptacle,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-317-0587 has 1 manufacturer part number on file: CA18349 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA18349: Receptacle Thread Size and Series/type Designator: 0.4375-20 UNF; Material Document and Classification: AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STUD; Material Document and Classification: ASTM A581 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR ASTM 582 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE BARREL; Surface Treatment: PASSIVATE BARREL. 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.