The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-101-8616, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-101-8616 |
| Primary Part Number | PFC2-M3-40 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE RETAINER |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Eyelet Outside Diameter | 7.94 MILLIMETERS NOMINAL MM |
| Drive Type | KNURLED AND SLOTTED |
| Material Accommodated Thickness | 1.5 MILLIMETERS MINIMUM MM |
| Diameter | 7.94 MILLIMETERS NOMINAL MM |
| Stud Head Height | 1.8 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM |
| Securing Device Type | GROMMET |
| Distance From Engaging Member to Largest Bearing Surface of Head | 15.08 MILLIMETERS NOMINAL MM |
| Turnlock Stud Head Style | KNURLED |
| Surface Treatment | PASSIVATE RETAINER |
| Surface Treatment | PASSIVATE STUD |
| Material | STEEL CORROSION RESISTING STUD |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL CORROSION RESISTING EJECTOR SPRING |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 7.14 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| PFC2-M3-40 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| PFC2-M3-40 | Pattonair SAS (FRA) |
| PMS17732-003-01 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 50083593-001 | Bureau De Gestion Otan Hawk (FRA) |
| 91635994J | Thales Sa (FRA) |
| Reference | Meaning |
|---|---|
| 50083593 | 5/1 Secondary reference Bureau De Gestion Otan Hawk |
NSN 5325-01-101-8616 is a Stud Assembly,turnlock Fastener, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-101-8616 has 5 manufacturer part numbers on file: PFC2-M3-40 (Penn Engineering & Manufacturing Corp), PFC2-M3-40 (Pattonair SAS), PMS17732-003-01 (Us Army Aviation and Missile Command), 50083593-001 (Bureau De Gestion Otan Hawk), 91635994J (Thales Sa).
Key specifications for PFC2-M3-40: Surface Treatment Document and Classification: QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE RETAINER; Surface Treatment Document and Classification: QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE STUD; Eyelet Outside Diameter: 7.94 MILLIMETERS NOMINAL MM; Drive Type: KNURLED AND SLOTTED. 17 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.