The Pin-Rivet, cataloged under National Stock Number 5320-01-513-5325, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-513-5325 |
| Primary Part Number | HLT631YB-10-11 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 1.178 INCHES MINIMUM AND 1.198 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 | 0.3125 INCHES IN |
| Grip Length | 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 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 | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.4689 INCHES MINIMUM AND 0.4739 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 |
|---|---|
| AIC-L-771-10-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT31YB-10-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-10-11 | West Coast Aerospace, Inc. (USA) |
| ST3M758D5-11 | The Boeing Company Div Defense (USA) |
| HLT631YB-10-11 PRIMARY | Huck International, Inc (USA) |
| HLT631YC-10-11 | West Coast Aerospace, Inc. (USA) |
| HLT631YB-10-11 PRIMARY | Hi-Shear Corporation (USA) |
| HP4758D5-11 | Heartland Precision Fasteners Inc (USA) |
| ST3M758D5-11 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631-YC-10-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-10-11 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-10-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-10-11 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YC-10-11 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YC-10-11 PRIMARY | Huck International, Inc (USA) |
| HLT631YB-10-11 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-10-11 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| Reference | Meaning |
|---|---|
| HLT631YB-10-11 | 3/2 Design control — primary reference U.S. Government activity |
| HLT31YC-10-11 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YB-10-11 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YC-10-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-513-5325 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-513-5325 has 17 manufacturer part numbers on file: AIC-L-771-10-11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT31YB-10-11 (Sps Technologies, Llc Dba PB Fasteners), HLT631YB-10-11 (West Coast Aerospace, Inc.), ST3M758D5-11 (The Boeing Company Div Defense), HLT631YB-10-11 (Huck International, Inc) and 12 more.
Key specifications for HLT631YB-10-11: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 1.178 INCHES MINIMUM AND 1.198 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.