The Pin-Rivet, cataloged under National Stock Number 5320-01-004-6512, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-004-6512 |
| Primary Part Number | TL839-5M25-87 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3826 INCHES NOMINAL IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 1.958 INCHES MINIMUM AND 1.983 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Tip Diameter | 0.351 INCHES NOMINAL IN |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Grip Length | 1.552 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, TAPERED, THREADED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 108000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 8740 OR STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.552 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 |
|---|---|
| ST3M642A5M25-87 | The Boeing Company Div Defense (USA) |
| TL839-5M25-87 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TL839-5M25-87 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TL839-5M25-87 | Reid Products Inc. Dba Reid Products Inc (USA) |
| TL839-5M25-87 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| TL839-5M25-87 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| TL839-5M25-87 | 5/9 Secondary reference U.S. Government activity |
| TL839-5M25-87 | 3/9 Design control — primary reference U.S. Government activity |
| TL839-5M25-87 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-004-6512 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-004-6512 has 5 manufacturer part numbers on file: ST3M642A5M25-87 (The Boeing Company Div Defense), TL839-5M25-87 (Fairchild Fasteners Europe - Vsd Gmbh), TL839-5M25-87 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), TL839-5M25-87 (Reid Products Inc. Dba Reid Products Inc), TL839-5M25-87 (Huck International, Inc).
Key specifications for TL839-5M25-87: Shank Diameter: 0.3826 INCHES NOMINAL IN; Lubrication: CETYL ALCOHOL; Fastener Length: 1.958 INCHES MINIMUM AND 1.983 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 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.