The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-028-7089, 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 Camloc Products. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-028-7089 |
| Primary Part Number | 4002-25W |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Head Length | 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Eyelet Outside Diameter | 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.771 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING |
| Distance From Engaging Member to Largest Bearing Surface of Head | 1.143 INCHES MINIMUM AND 1.158 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK WING |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4037 STUD |
| Material | STEEL COMP 1009 HEAD |
| Material | STEEL EJECTOR SPRING |
| Material | STEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET |
| Material | STEEL PIN |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.220 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1142007-25 | Monadnock Company, the Dba Lisi Aerospace (USA) |
| 4002-25W PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
NSN 5325-00-028-7089 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-028-7089 has 2 manufacturer part numbers on file: 1142007-25 (Monadnock Company, the Dba Lisi Aerospace), 4002-25W (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 4002-25W: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Head Length: 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN; Eyelet Outside Diameter: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.771 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN. 16 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.