The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-641-0379, 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 12 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-641-0379 |
| Primary Part Number | 2600-28 |
| 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 |
| Eyelet Outside Diameter | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.810 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN |
| Diameter | 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Stud Head Height | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 1.352 INCHES MINIMUM AND 1.367 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.322 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 |
|---|---|
| 2600-28 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 1126000-28 | Monadnock Company, the Dba Lisi Aerospace (USA) |
NSN 5325-00-641-0379 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 5325-00-641-0379 has 2 manufacturer part numbers on file: 2600-28 (Howmet Global Fastening Systems Inc Div Camloc Products), 1126000-28 (Monadnock Company, the Dba Lisi Aerospace).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-102-4087, 5360-01-478-1083, 5330-01-625-6013. Verify interchangeability with system specifications before substitution.
Key specifications for 2600-28: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Eyelet Outside Diameter: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Drive Type: SLOTTED; Material Accommodated Thickness: 0.810 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN. 12 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.