The Rivet,tubular, cataloged under National Stock Number 5320-01-121-1758, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Chicago Rivet & Machine Co.. Government technical data includes 10 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 | 5320-01-121-1758 |
| Primary Part Number | R-4001 X 2/16 CHROMATED |
| Item Name | Rivet,tubular |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Chicago Rivet & Machine Co. |
| Status | ACTIVE |
| Shank Diameter | 0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Fastener Length | 0.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Depth | 0.063 INCHES NOMINAL IN |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Shank Style | TAPERED HOLLOW |
| Surface Treatment | CHROMATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Material | ALUMINUM OVERALL |
| Head Major Diameter | 0.176 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 |
|---|---|
| R-4001 X 2/16 CHROMATED PRIMARY | Chicago Rivet & Machine Co. (USA) |
NSN 5320-01-121-1758 is a Rivet,tubular, manufactured by Chicago Rivet & Machine Co., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-121-1758 has 1 manufacturer part number on file: R-4001 X 2/16 CHROMATED (Chicago Rivet & Machine Co.).
Key specifications for R-4001 X 2/16 CHROMATED: Shank Diameter: 0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Fastener Length: 0.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Depth: 0.063 INCHES NOMINAL IN. 10 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.