The Fastener Assembly,turnlock, cataloged under National Stock Number 5325-00-349-8554, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-349-8554 |
| Primary Part Number | 580R869H12 |
| Item Name | Fastener Assembly,turnlock |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Eyelet Outside Diameter | 0.500 INCHES NOMINAL IN |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Head Height | 0.516 INCHES NOMINAL IN |
| Turnlock Receptacle Style | RECEPTACLE SELF-SEALING, RECESSED STUD |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.828 INCHES NOMINAL IN |
| Turnlock Stud Head Style | STUD HEAD |
| Stud Shank Major Diameter | 0.332 INCHES NOMINAL IN |
| Receptacle Height | 0.828 INCHES NOMINAL IN |
| Stud Thread Size and Series/type Designator | 0.225-28 UNF |
| Grip Length | 0.586 INCHES NOMINAL IN |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.516 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 |
|---|---|
| 580R869H12 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 41614-12 | 5/9 Secondary reference Baytron Systems Corp |
| 580R869H12 | 3/9 Design control — primary reference U.S. Government activity |
| 6741FSS2528-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5325-00-349-8554 is a Fastener Assembly,turnlock, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-349-8554 has 1 manufacturer part number on file: 580R869H12 (Northrop Grumman Support Services Corp).
Key specifications for 580R869H12: Width Across Flats: 0.188 INCHES NOMINAL IN; Extended Washer Diameter: 0.500 INCHES NOMINAL IN; Eyelet Outside Diameter: 0.500 INCHES NOMINAL IN; Drive Type: SLOTTED. 15 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.