The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-184-8404, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-184-8404 |
| Primary Part Number | 40S47-4 |
| 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 SINGLE TREATMENT RESPONSE OVERALL |
| Head Length | 1.050 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Eyelet Outside Diameter | 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.141 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE EYELET |
| Stud Head Height | 1.990 INCHES NOMINAL IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.505 INCHES NOMINAL IN |
| Turnlock Stud Head Style | LOOP ON BELL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4037 STUD |
| Material | STEEL EJECTOR SPRING |
| Material | STEEL PIN |
| Material | STEEL COMP 1050 EYELET |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.257 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 |
|---|---|
| 40S47-4 | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 40S47-4 | Fairchild Fasteners Uk Ltd (GBR) |
| 3D0100-4AF | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 3D0100-4AF | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-184-8404 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 5325-01-184-8404 has 3 manufacturer part numbers on file: 40S47-4 (Howmet Global Fastening Systems Inc Div Camloc Products), 40S47-4 (Fairchild Fasteners Uk Ltd), 3D0100-4AF (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 40S47-4: Surface Treatment Document and Classification: QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Length: 1.050 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN; Eyelet Outside Diameter: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.141 INCHES MINIMUM AND 0.170 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.