The Pin-Rivet, cataloged under National Stock Number 5320-01-131-9922, 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 14 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through both NSN and commercial part number lookups. 21 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-131-9922 |
| Primary Part Number | ST3M759C4-12 |
| 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 |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 1.140 INCHES MINIMUM AND 1.160 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 | 0.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| 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 | 0.387 INCHES MINIMUM AND 0.412 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 |
|---|---|
| ST3M759C4-12 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT50YC-8-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YC-8-12 | Huck International, Inc (USA) |
| HLT50YB-8-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M759C4-12 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M759C4-12 | Howmet Global Fastening Systems Inc (USA) |
| HLT50YB-8-12 | Hi-Shear Corporation (USA) |
| HLT50YC-8-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YB-8-12 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HP4759-4-12 | Heartland Precision Fasteners Inc (USA) |
| HLT50YB-8-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YC-8-12 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YB-8-12 | Huck International, Inc (USA) |
| HLT50YC-8-12 | Hi-Shear Corporation (USA) |
| HLT50YB-8-12 | West Coast Aerospace, Inc. (USA) |
| HLT50YC-8-12 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT50YC-8-12 | 5/9 Secondary reference U.S. Government activity |
| HLT50TB-8-12 | 5/9 Secondary reference Hi-Shear Corporation |
| AIC-L-759C4-12 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT50TB-8-12 | 5/9 Secondary reference U.S. Government activity |
| 10111386 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M759C4-12 | 5/9 Secondary reference Hi-Shear Corporation |
| MA4759C4-12 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT50TB-8-12 | 5/9 Secondary reference Huck International, Inc |
| HLT50TB-8-12 | 5/9 Secondary reference U.S. Government activity |
| HLT50YB-8-12 | 5/9 Secondary reference U.S. Government activity |
| HLT50TB-8-12 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT50YC-8-12 | 5/2 Secondary reference U.S. Government activity |
| ST3M759C4-12 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT50YC-8-12 | 5/9 Secondary reference U.S. Government activity |
| HLT50YB-8-12 | 5/2 Secondary reference U.S. Government activity |
| ST3M759C4-12 | 5/9 Secondary reference Huck International, Inc |
| ST3M759C4-12 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| ST3M759C4-12 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| ST3M759C4-12 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT50YB-8-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-131-9922 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-131-9922 has 16 manufacturer part numbers on file: ST3M759C4-12 (The Boeing Company Div Defense), HLT50YC-8-12 (Sps Technologies, Llc Dba PB Fasteners), HLT50YC-8-12 (Huck International, Inc), HLT50YB-8-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M759C4-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 11 more.
Key specifications for ST3M759C4-12: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.