The Rivet,blind, cataloged under National Stock Number 5320-01-643-1239, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-643-1239 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541, PLAIN COLOR, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE A |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE LOCKING RING |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | AMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5639 ASSN STD 2ND MATERIAL RESPONSE LOCKING RING |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.319 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | CADMIUM STEM |
| Surface Treatment | CHROMATE SLEEVE |
| Surface Treatment | CADMIUM GRIP |
| Surface Treatment | PASSIVATE LOCKING RING |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | STEEL COMP 8740 STEM |
| Material | ALUMINUM ALLOY 5056 SLEEVE |
| Material | STEEL COMP 1038 GRIP |
| Material | STEEL CORROSION RESISTING OR STEEL COMP 304 LOCKING RING |
| Head Major Diameter | 0.188 INCHES MINIMUM AND 0.196 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 |
| Reference | Meaning |
|---|---|
| NAS9303B-4-04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-643-1239 is a Rivet,blind, classified under FSC 5320, Rivets. Status: active.
Key specifications for 5320-01-643-1239: Shank Diameter: 0.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, PLAIN COLOR, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE A; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE LOCKING RING; Surface Treatment Document and Classification: QQ-P-416, TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STEM. 21 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.