The Pin-Rivet, cataloged under National Stock Number 5320-01-131-6825, 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 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-131-6825 |
| Primary Part Number | HLT52YB-8-8 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.505 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| 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 | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| ST3M761C4-8 | The Boeing Company Div Defense (USA) |
| HLT52YC-8-8 | West Coast Aerospace, Inc. (USA) |
| HLT52YB-8-8 PRIMARY | Hi-Shear Corporation (USA) |
| HLT52YC-8-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT52YB-8-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT52YC-8-8 | Hi-Shear Corporation (USA) |
| HLT52YC-8-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP4761-4-8 | Heartland Precision Fasteners Inc (USA) |
| HLT52YC-8-8 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT52YB-8-8 | West Coast Aerospace, Inc. (USA) |
| HLT52YB-8-8 | Howmet Global Fastening Systems Inc (USA) |
| HLT52YB-8-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT52YB-8-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| MA4761-4-8 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT52YB-8-8 | 5/9 Secondary reference U.S. Government activity |
| HLT52YC-8-8 | 5/9 Secondary reference U.S. Government activity |
| HLT52DL-8-8 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| HLT52YC-8-8 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-761C4-8 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| ST3M761C4-8 | 5/2 Secondary reference U.S. Government activity |
| HLT52YB-8-8 | 5/9 Secondary reference U.S. Government activity |
| 10124143 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5320-01-131-6825 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-131-6825 has 13 manufacturer part numbers on file: ST3M761C4-8 (The Boeing Company Div Defense), HLT52YC-8-8 (West Coast Aerospace, Inc.), HLT52YB-8-8 (Hi-Shear Corporation), HLT52YC-8-8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT52YB-8-8 (Sps Technologies, Llc Dba PB Fasteners) and 8 more.
Key specifications for HLT52YB-8-8: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN. 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.