The Pin-Rivet, cataloged under National Stock Number 5320-01-133-1172, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-133-1172 |
| Primary Part Number | ST3M761C4-17 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| 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 | 1.447 INCHES MINIMUM AND 1.467 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 | 1.067 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 |
|---|---|
| HLT52YB-8-17 | West Coast Aerospace, Inc. (USA) |
| HLT52YC-8-17 | West Coast Aerospace, Inc. (USA) |
| ST3M761C4-17 | Huck International, Inc (USA) |
| HP4761-4-17 | Heartland Precision Fasteners Inc (USA) |
| ST3M761C4-17 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT52YC-8-17 | Hi-Shear Corporation (USA) |
| HLT52YB-8-17 | Hi-Shear Corporation (USA) |
| HLT52YC-8-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT52YC-8-17 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT52YB-8-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT52YC-8-17 | 5/9 Secondary reference U.S. Government activity |
| HLT52YB-8-17 | 5/9 Secondary reference U.S. Government activity |
| HLT52YB-8-17 | 5/2 Secondary reference U.S. Government activity |
| HLT52YC-8-17 | 5/2 Secondary reference U.S. Government activity |
| HLT52TB8-17 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| HLT52YB-8-17 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| MA4761-4-17 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 10111480 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT52YB-8-17 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| AIC-L-761C4-17 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT52YC-8-17 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| ST3M761C4-17 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-133-1172 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-133-1172 has 10 manufacturer part numbers on file: HLT52YB-8-17 (West Coast Aerospace, Inc.), HLT52YC-8-17 (West Coast Aerospace, Inc.), ST3M761C4-17 (Huck International, Inc), HP4761-4-17 (Heartland Precision Fasteners Inc), ST3M761C4-17 (The Boeing Company Div Defense) and 5 more.
Key specifications for ST3M761C4-17: 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: 1.447 INCHES MINIMUM AND 1.467 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.