The Pin-Rivet, cataloged under National Stock Number 5320-01-442-4596, 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 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-442-4596 |
| Primary Part Number | ST3M758D08-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Fastener Length | 0.577 INCHES MINIMUM AND 0.587 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 | 0.164 INCHES IN |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.079 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.2564 INCHES MINIMUM AND 0.2612 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 |
|---|---|
| HLT631YB5-4 | Howmet Global Fastening Systems Inc (USA) |
| HLT631YB-5-4 | West Coast Aerospace, Inc. (USA) |
| HLT631YB-5-4 | Huck International, Inc (USA) |
| HLT631YB-5-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP4758D08-4 | Heartland Precision Fasteners Inc (USA) |
| HLT631YB-5-4 | Houston Precision Fasteners I Lp (USA) |
| HLT631YB-5-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-5-4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631YC-5-4 | Howmet Global Fastening Systems Inc (USA) |
| HLT631YB-5-4 | Hi-Shear Corporation (USA) |
| ST3M758D08-4 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT631YB-5-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-5-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| HLT631YB5-4 | 5/9 Secondary reference U.S. Government activity |
| HLT631YB-5-4 | 5/9 Secondary reference U.S. Government activity |
| HLT631YB-5-4 | 5/2 Secondary reference U.S. Government activity |
| HLT631YC-5-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-442-4596 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-442-4596 has 13 manufacturer part numbers on file: HLT631YB5-4 (Howmet Global Fastening Systems Inc), HLT631YB-5-4 (West Coast Aerospace, Inc.), HLT631YB-5-4 (Huck International, Inc), HLT631YB-5-4 (Sps Technologies, Llc Dba PB Fasteners), HP4758D08-4 (Heartland Precision Fasteners Inc) and 8 more.
Key specifications for ST3M758D08-4: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Fastener Length: 0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.