The Pin-Rivet, cataloged under National Stock Number 5320-00-101-5877, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-00-101-5877 |
| Primary Part Number | 3M341A4-31 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.301 INCHES NOMINAL IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.063 INCHES NOMINAL IN |
| Fastener Length | 2.260 INCHES MINIMUM AND 2.285 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Tip Diameter | 0.264 INCHES NOMINAL IN |
| Head Style | COOPER'S |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.927 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, TAPERED, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.402 INCHES MINIMUM AND 0.452 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 |
|---|---|
| 3M341A4-31 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| TL100-4-31 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M341A4-31 PRIMARY | The Boeing Company Div Defense (USA) |
| TL100-4-31 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TL100-4-31 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| TL100-4-31 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| TL100-4-31 | 5/9 Secondary reference U.S. Government activity |
| TL100-4-31 | 5/2 Secondary reference U.S. Government activity |
| 3M341A4-31 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-00-101-5877 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-101-5877 has 5 manufacturer part numbers on file: 3M341A4-31 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), TL100-4-31 (Fairchild Fasteners Europe - Vsd Gmbh), 3M341A4-31 (The Boeing Company Div Defense), TL100-4-31 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), TL100-4-31 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for 3M341A4-31: Shank Diameter: 0.301 INCHES NOMINAL IN; Lubrication: CETYL ALCOHOL; Head Height: 0.063 INCHES NOMINAL IN; Fastener Length: 2.260 INCHES MINIMUM AND 2.285 INCHES MAXIMUM IN. 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.