The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-225-4844, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-225-4844 |
| Primary Part Number | 64318460 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Eyelet Outside Diameter | 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.125 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN |
| Diameter | 0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Stud Head Height | 0.590 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Securing Device Type | WASHER |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.296 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Stud Assembly Style | STUD ASSEMBLY |
| Stud Diameter | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM 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 |
|---|---|
| 12S1-11-1AA | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 64318460 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| WDG9027-36 | Bae Systems (GBR) |
| 12S1-11-1AA | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 12S1-11-1AA | Nyf/new York Fasteners/corp (USA) |
| Reference | Meaning |
|---|---|
| 5325PL2022828 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 39-1122 | 5/9 Secondary reference Tellurometer-Usa Div of Plessey Inc |
| 330C542-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-225-4844 is a Stud Assembly,turnlock Fastener, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-225-4844 has 5 manufacturer part numbers on file: 12S1-11-1AA (Leonardo Spa Helicopters Division - Production Site), 64318460 (Bae Systems Information and Electronic Systems Integration Inc.), WDG9027-36 (Bae Systems), 12S1-11-1AA (Howmet Global Fastening Systems Inc Div Camloc Products), 12S1-11-1AA (Nyf/new York Fasteners/corp).
2 possible matches (shared part number, not a government interchangeability claim): 5360-00-915-4003, 2910-01-123-2117. Verify interchangeability with system specifications before substitution.
Key specifications for 64318460: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Eyelet Outside Diameter: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN; Drive Type: SLOTTED; Material Accommodated Thickness: 0.125 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN. 13 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.