The Rivet,solid, cataloged under National Stock Number 5320-01-504-5178, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Precision Form Rivet Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-504-5178 |
| Primary Part Number | MS20426B4-8 |
| Item Name | Rivet,solid |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Precision Form Rivet Inc |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Shank Style | COUNTERSUNK (UNDRILLED) |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 5056 OVERALL |
| Head Major Diameter | 0.216 INCHES NOMINAL 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 |
|---|---|
| MS20426B4-8 PRIMARY | Precision Form Rivet Inc (USA) |
NSN 5320-01-504-5178 is a Rivet,solid, manufactured by Precision Form Rivet Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-504-5178 has 1 manufacturer part number on file: MS20426B4-8 (Precision Form Rivet Inc).
Key specifications for MS20426B4-8: Shank Diameter: 0.125 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Head Style: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER); Shank Style: COUNTERSUNK (UNDRILLED). 7 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.