The Pin-Rivet, cataloged under National Stock Number 5320-01-485-5697, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-485-5697 |
| Primary Part Number | HLT631YC-12-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 1.052 INCHES MINIMUM AND 1.072 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 | 0.1640 INCHES IN |
| Grip Length | 0.745 INCHES MINIMUM AND 0.755 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 | UNJC |
| Head Major Diameter | 0.2564 INCHES MINIMUM AND 0.2612 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-12-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758D6-4 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M758D6-4 PRIMARY | The Boeing Company Div Defense (USA) |
| HP4758D6-4 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT631YC-12-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-12-4 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-12-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-12-4 PRIMARY | Huck International, Inc (USA) |
| HLT631YC-12-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YB-12-4 PRIMARY | Huck International, Inc (USA) |
| HLT631YB-12-4 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-12-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-12-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YB-12-4 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-12-4 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT631YC-12-4 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YB-12-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-485-5697 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-485-5697 has 15 manufacturer part numbers on file: HLT631YC-12-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M758D6-4 (Fastener Innovation Technology, Inc. Dba F I T), ST3M758D6-4 (The Boeing Company Div Defense), HP4758D6-4 (Heartland Precision Fasteners Inc), HLT631YC-12-4 (Sps Technologies, Llc Dba PB Fasteners) and 10 more.
Key specifications for HLT631YC-12-4: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 1.052 INCHES MINIMUM AND 1.072 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.