The Pin-Rivet, cataloged under National Stock Number 5320-01-472-6435, 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 18 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-472-6435 |
| Primary Part Number | ST3M758D5-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Fastener Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-+2-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM 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 | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.4689 INCHES MINIMUM AND 0.4739 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 |
|---|---|
| HLT631YB-10-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-10-4 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-10-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758D5-4 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT631YB-10-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-10-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-10-4 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-10-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YB10-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M758D5-4 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HP4758D5-4 | Heartland Precision Fasteners Inc (USA) |
| AIC-L-771-10-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-10-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB10-4 | Hi-Shear Corporation (USA) |
| HLT631YC-10-4 | Hi-Shear Corporation (USA) |
| HLT631YC-10-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| Reference | Meaning |
|---|---|
| HLT631YC-10-4 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YC-10-4 | 5/9 Secondary reference U.S. Government activity |
| HLT631YC-10-4 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YC-10-4 | 5/2 Secondary reference U.S. Government activity |
| HLT631YB-10-4 | 5/9 Secondary reference U.S. Government activity |
| HLT631YB-10-4 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YB-10-4 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YB-10-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-472-6435 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-472-6435 has 16 manufacturer part numbers on file: HLT631YB-10-4 (Sps Technologies, Llc Dba PB Fasteners), HLT631YC-10-4 (West Coast Aerospace, Inc.), HLT631YC-10-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M758D5-4 (The Boeing Company Div Defense), HLT631YB-10-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 11 more.
Key specifications for ST3M758D5-4: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Fastener Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-+2-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.