The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-314-5599, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-314-5599 |
| Primary Part Number | 717801791-001 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Eyelet Outside Diameter | 0.416 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Drive Type | SOCKET |
| Material Document and Classification | AMS 5529 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE EYELET |
| Diameter | 0.304 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.497 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP 303 EYELET |
| Material | STEEL COMP 630 STUD |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.095 INCHES MINIMUM AND 0.105 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 |
|---|---|
| 717801791-001 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| IT113-1 | 3/2 Design control — primary reference U.S. Government activity |
| 717801791 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 5325-01-314-5599 is a Stud Assembly,turnlock Fastener, manufactured by Lockheed Martin Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-314-5599 has 1 manufacturer part number on file: 717801791-001 (Lockheed Martin Corporation).
Key specifications for 717801791-001: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Eyelet Outside Diameter: 0.416 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Drive Type: SOCKET; Material Document and Classification: AMS 5529 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE RETAINER. 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.