The Pin-Rivet, cataloged under National Stock Number 5320-01-477-5771, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-477-5771 |
| Primary Part Number | HLT941TB8-11-38 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES NOMINAL IN |
| Fastener Length | 1.083 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.688 INCHES NOMINAL IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.501 INCHES MINIMUM AND 0.506 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 |
|---|---|
| HLT941TB8-11-38 PRIMARY | Hi-Shear Corporation (USA) |
| 3M757D4-11-38 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M757D4-11-38 | Houston Precision Fasteners I Lp (USA) |
| HLT941TB8-11-38 | West Coast Aerospace, Inc. (USA) |
| HLT941DL8-11-38 | West Coast Aerospace, Inc. (USA) |
| HP6757D411-38 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT941DL8-11-38 PRIMARY | Hi-Shear Corporation (USA) |
| HLT941DL8-11-38 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M757D4-11-38 | The Boeing Company Div Defense (USA) |
| HLT941TB8-11-38 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT941TB8-11-38 | 3/2 Design control — primary reference U.S. Government activity |
| HLT941DL8-11-38 | 3/2 Design control — primary reference U.S. Government activity |
| HLT941TB8-11-38 | 3/2 Design control — primary reference U.S. Government activity |
| HLT941DL8-11-38 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-477-5771 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-477-5771 has 10 manufacturer part numbers on file: HLT941TB8-11-38 (Hi-Shear Corporation), 3M757D4-11-38 (Fastener Innovation Technology, Inc. Dba F I T), 3M757D4-11-38 (Houston Precision Fasteners I Lp), HLT941TB8-11-38 (West Coast Aerospace, Inc.), HLT941DL8-11-38 (West Coast Aerospace, Inc.) and 5 more.
Key specifications for HLT941TB8-11-38: Shank Diameter: 0.249 INCHES NOMINAL IN; Fastener Length: 1.083 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.