The Rivet,blind, cataloged under National Stock Number 5320-00-638-1981, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-638-1981 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Status | ACTIVE |
| Shank Diameter | 0.156 INCHES NOMINAL IN |
| Head Height | 0.067 INCHES NOMINAL IN |
| Fastener Length | 0.503 INCHES NOMINAL IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Material Document and Classification | MIL-W-7986 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | UNIVERSAL |
| Grip Length | 0.251 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Shank Style | PULL THROUGH HOLLOW SHANK |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2117 OVERALL |
| Head Major Diameter | 0.312 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 |
| Reference | Meaning |
|---|---|
| MS20600AD5-5 | 4/1 Identification reference U.S. Government activity |
NSN 5320-00-638-1981 is a Rivet,blind, classified under FSC 5320, Rivets. Status: active.
Key specifications for 5320-00-638-1981: Shank Diameter: 0.156 INCHES NOMINAL IN; Head Height: 0.067 INCHES NOMINAL IN; Fastener Length: 0.503 INCHES NOMINAL IN; Expansion Device: SERRATED STEM-TYPE W. 11 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.