The Pin-Rivet, cataloged under National Stock Number 5320-01-485-5686, 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 19 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-485-5686 |
| Primary Part Number | HLT631YC-6-2 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 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 | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 | Y |
| Part Number | Manufacturer |
|---|---|
| HLT631YC-6-2 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YB-6-2 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-6-2 PRIMARY | Huck International, Inc (USA) |
| HLT631YC-6-2 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M758D3-2 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT631YC-6-2 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758D3-2 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631YB-6-2 PRIMARY | Hi-Shear Corporation (USA) |
| HP4758D3-2 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT631YB-6-2 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-6-2 PRIMARY | Huck International, Inc (USA) |
| HLT631YB-6-2 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YC-6-2 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-6-2 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-6-2 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT631YB-6-2 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YC-6-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-485-5686 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-485-5686 has 15 manufacturer part numbers on file: HLT631YC-6-2 (Hi-Shear Corporation), HLT631YB-6-2 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT631YC-6-2 (Huck International, Inc), HLT631YC-6-2 (Sps Technologies Ltd, Tj Brooks Division), ST3M758D3-2 (The Boeing Company Div Defense) and 10 more.
Key specifications for HLT631YC-6-2: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.