The Pin-Rivet, cataloged under National Stock Number 5320-01-593-4828, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-593-4828 |
| Primary Part Number | ST3M758D4-39 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM |
| Fastener Length | 2.770 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2700 METHOD 1 ASSN STD 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 | 0.250 INCHES IN |
| Grip Length | 2.375 INCHES NOMINAL IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 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 | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.358 INCHES MINIMUM AND 0.365 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 |
|---|---|
| HLT631YC-8-39 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758D4-39 PRIMARY | Huck International, Inc (USA) |
| ST3M758D4-39 | Heartland Precision Fasteners Inc (USA) |
| ST3M758D4-39 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M758D4-39 | West Coast Aerospace, Inc. (USA) |
| HLT631YB-8-39 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758D4-39 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT631YB-8-39 | 5/9 Secondary reference Sps Technologies Inc |
| ST3M758D4-39 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M758D4-39 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-593-4828 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-593-4828 has 7 manufacturer part numbers on file: HLT631YC-8-39 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M758D4-39 (Huck International, Inc), ST3M758D4-39 (Heartland Precision Fasteners Inc), ST3M758D4-39 (Fastener Innovation Technology, Inc. Dba F I T), ST3M758D4-39 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for ST3M758D4-39: Shank Diameter: 0.250 INCHES NOMINAL IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM; Fastener Length: 2.770 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2700 METHOD 1 ASSN STD 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.