The Ejector Spring,turnlock Fastener, cataloged under National Stock Number 5325-01-184-0370, 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. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Ejector Spring,turnlock Fastener |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372); Ho-Ho-Kus, Inc (CAGE 69370) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-184-0370 |
| Primary Part Number | HS4499-1 |
| Item Name | Ejector Spring,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| HS4499-1 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| HS4499-1 PRIMARY | Ho-Ho-Kus, Inc (USA) |
| 2600-ES | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| HS4499-1 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| HS4499-1 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 5325-01-184-0370 is a Ejector Spring,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-184-0370 has 3 manufacturer part numbers on file: HS4499-1 (Howmet Global Fastening Systems Inc. Div Tridair Products), HS4499-1 (Ho-Ho-Kus, Inc), 2600-ES (Howmet Global Fastening Systems Inc. Div Tridair Products).
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.