The Pin-Rivet, cataloged under National Stock Number 5320-01-135-2446, 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 17 specifications, cited from the U.S. Government catalog. The record lists 20 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-135-2446 |
| Primary Part Number | ST3M758C3-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.1895 INCHES NOMINAL IN |
| Fastener Length | 0.752 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Width Between Flats | 0.0806 INCHES NOMINAL 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 | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3016 INCHES NOMINAL 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 |
|---|---|
| HLT51YB-6-7 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M758C3-7 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M758C3-7 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M758C3-7 | Hi-Shear Corporation (USA) |
| HLT51TB6-7 | Huck International, Inc (USA) |
| HLT51YC-6-7 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT51YC-6-7 | West Coast Aerospace, Inc. (USA) |
| HLT51YC-6-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758C3-7 | Howmet Global Fastening Systems Inc (USA) |
| HLT51YB-6-7 | Huck International, Inc (USA) |
| HLT51YC-6-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51YC-6-7 | Huck International, Inc (USA) |
| HP4758-3-7 | Heartland Precision Fasteners Inc (USA) |
| HLT51YB-6-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51YB-6-7 | West Coast Aerospace, Inc. (USA) |
| HLT51YB-6-7 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT51TB6-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51YB-6-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758C3-7 | Huck International, Inc (USA) |
| ST3M758C3-7 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| MA4758-3-7 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT51YC-6-7 | 5/9 Secondary reference U.S. Government activity |
| HLT51YC-6-7 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT51TB6-7 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT51TB6-7 | 5/9 Secondary reference U.S. Government activity |
| 10111541 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT51YB-6-7 | 5/9 Secondary reference U.S. Government activity |
| HLT51YB-6-7 | 5/9 Secondary reference Hi-Shear Corporation |
| ST3758C3-7 | 5/9 Secondary reference The Boeing Company Div Defense |
| HLT51YB-6-7 | 5/2 Secondary reference U.S. Government activity |
| AIC-L-758C3-7 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT51TB6-7 | 5/9 Secondary reference U.S. Government activity |
| AIC-L758C-7 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5320-01-135-2446 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-135-2446 has 20 manufacturer part numbers on file: HLT51YB-6-7 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M758C3-7 (Fastener Innovation Technology, Inc. Dba F I T), ST3M758C3-7 (The Boeing Company Div Defense), ST3M758C3-7 (Hi-Shear Corporation), HLT51TB6-7 (Huck International, Inc) and 15 more.
Key specifications for ST3M758C3-7: Shank Diameter: 0.1895 INCHES NOMINAL IN; Fastener Length: 0.752 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; 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.