The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-435-9345, 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 2 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-435-9345 |
| Primary Part Number | CA18161-9HS |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE BARREL |
| Material | STEEL COMP 303 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 |
|---|---|
| CA18161-9HS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| CA18161-9HS | Fairchild Fasteners Uk Ltd (GBR) |
| B3280/43085 | Leonardo Uk Ltd (GBR) |
| 3280/43085 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| B3280/43085 | 5/9 Secondary reference Leonardo Mw Ltd |
| 3280/43085 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5325-01-435-9345 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-435-9345 has 4 manufacturer part numbers on file: CA18161-9HS (Howmet Global Fastening Systems Inc. Div Tridair Products), CA18161-9HS (Fairchild Fasteners Uk Ltd), B3280/43085 (Leonardo Uk Ltd), 3280/43085 (Leonardo Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-469-5868. Verify interchangeability with system specifications before substitution.
Key specifications for CA18161-9HS: Surface Treatment: PASSIVATE BARREL; Material: STEEL COMP 303 BARREL. 2 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.