The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-350-0397, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-350-0397 |
| Primary Part Number | FX10-1558-7P |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE EJECTOR SPRING |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE GROMMET |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.571 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING |
| Material Document and Classification | AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Diameter | 0.375 INCHES NOMINAL IN |
| Features Provided | SEALING FEATURE |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Surface Treatment | CADMIUM AND CHROMATE STUD |
| Surface Treatment | PASSIVATE EJECTOR SPRING |
| Surface Treatment | CADMIUM AND CHROMATE GROMMET |
| Material | STEEL COMP 4037 STUD |
| Material | STEEL GROMMET |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 EJECTOR SPRING |
| Stud Thread Size and Series/type Designator | 0.190-32 UNF |
| 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 |
|---|---|
| FX10-1558-7P PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5325-00-350-0397 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-350-0397 has 1 manufacturer part number on file: FX10-1558-7P (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for FX10-1558-7P: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE EJECTOR SPRING; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE GROMMET; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE STUD; Drive Type: CROSS RECESS. 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.