The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-461-7577, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-00-461-7577 |
| Primary Part Number | PFC2-032-72 |
| 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,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Eyelet Outside Diameter | 0.406 INCHES NOMINAL IN |
| Drive Type | KNURLED AND SLOTTED |
| Material Accommodated Thickness | 0.060 INCHES NOMINAL IN |
| Diameter | 0.406 INCHES NOMINAL IN |
| Stud Head Height | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Securing Device Type | SPRING |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.899 INCHES NOMINAL IN |
| Turnlock Stud Head Style | KNURLED |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| Stud Thread Size and Series/type Designator | 0.190-32 UNF |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.359 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 |
|---|---|
| PFC2-032-72 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 1A7870-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| 7010342-002 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| AA-9500-D2471 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-00-461-7577 is a Stud Assembly,turnlock Fastener, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-461-7577 has 1 manufacturer part number on file: PFC2-032-72 (Penn Engineering & Manufacturing Corp).
Key specifications for PFC2-032-72: Surface Treatment Document and Classification: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Eyelet Outside Diameter: 0.406 INCHES NOMINAL IN; Drive Type: KNURLED AND SLOTTED; Material Accommodated Thickness: 0.060 INCHES NOMINAL IN. 14 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.