The Pin-Rivet, cataloged under National Stock Number 5320-01-236-9231, 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 17 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-236-9231 |
| Primary Part Number | HLT51YC-14-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 1.187 INCHES MINIMUM AND 1.207 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Grip Length | 0.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.1895 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.6680 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 |
|---|---|
| HLT51YC-14-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51YC-14-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M758C7-9 | The Boeing Company Div Defense (USA) |
| HLT51YB-14-9 | West Coast Aerospace, Inc. (USA) |
| HLT51YC-14-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT51YC-14-9 | West Coast Aerospace, Inc. (USA) |
| HLT51YB-14-9 | Huck International, Inc (USA) |
| AIC-L-758C7-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT51YB-14-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HP4758-7-9 | Heartland Precision Fasteners Inc (USA) |
| HLT51YB-14-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51YC-14-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT51YC-14-9 | Hi-Shear Corporation (USA) |
| HLT51YB-14-9 | Hi-Shear Corporation (USA) |
| HLT51YC-14-9 PRIMARY | Huck International, Inc (USA) |
| HLT51YB-14-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| Reference | Meaning |
|---|---|
| HLT51YB-14-9 | 5/2 Secondary reference U.S. Government activity |
| HLT51YC-14-9 | 5/2 Secondary reference U.S. Government activity |
| HLT51YC-14-9 | 5/9 Secondary reference U.S. Government activity |
| MA4758-7-9 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT51YB-14-9 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-236-9231 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-236-9231 has 16 manufacturer part numbers on file: HLT51YC-14-9 (Sps Technologies, Llc Dba PB Fasteners), HLT51YC-14-9 (Sps Technologies Ltd, Tj Brooks Division), ST3M758C7-9 (The Boeing Company Div Defense), HLT51YB-14-9 (West Coast Aerospace, Inc.), HLT51YC-14-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 11 more.
Key specifications for HLT51YC-14-9: Shank Diameter: 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 1.187 INCHES MINIMUM AND 1.207 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.