The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-421-6734, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-421-6734 |
| Primary Part Number | 2600-22 |
| 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,TYPE 2,CLASS 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 | 1.141 INCHES MINIMUM AND 1.156 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 |
| Material Document and Classification | ASTM A109 ASSN STD SINGLE MATERIAL RESPONSE EYELET |
| Material Document and Classification | ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Diameter | 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Stud Head Height | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Securing Device Type | WASHER |
| Distance From Engaging Member to Largest Bearing Surface of Head | 1.181 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4037 STUD |
| Material | STEEL EJECTOR SPRING |
| Material | STEEL PIN |
| Material | STEEL COMP 1009 EYELET |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.332 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 |
|---|---|
| 2600-22 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 2600-22 | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| 1126000-22 | Monadnock Company, the Dba Lisi Aerospace (USA) |
| VA97-0120-001 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 612674-03 | 5/2 Secondary reference U.S. Government activity |
| VA97-0120 | 5/1 Secondary reference Leonardo Uk Ltd |
NSN 5325-00-421-6734 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 5325-00-421-6734 has 4 manufacturer part numbers on file: 2600-22 (Howmet Global Fastening Systems Inc Div Camloc Products), 2600-22 (Fairchild Fasteners Europe - Camloc Gmbh), 1126000-22 (Monadnock Company, the Dba Lisi Aerospace), VA97-0120-001 (Leonardo Uk Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 5930-01-019-6593, 4130-01-294-6429, 5935-01-365-2137. Verify interchangeability with system specifications before substitution.
Key specifications for 2600-22: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 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: 1.141 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN. 20 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.