The Rivet,blind, cataloged under National Stock Number 5320-01-583-5584, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-583-5584 |
| Primary Part Number | NAS9305B-4-01 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.200 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 | AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE LOCKING RING |
| Surface Treatment Document and Classification | AMS-QQ-P-416 TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE GRIP |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE STEM |
| 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 SINGLE MATERIAL RESPONSE OR AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE LOCKING RING |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.045 INCHES MINIMUM AND 0.062 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 | IRON ALLOY 660 OR STEEL COMP 304 LOCKING RING |
| Head Major Diameter | 0.221 INCHES MINIMUM AND 0.229 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 |
|---|---|
| NAS9305B-4-01 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| NAS9305B-4-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-583-5584 is a Rivet,blind, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-583-5584 has 1 manufacturer part number on file: NAS9305B-4-01 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for NAS9305B-4-01: Shank Diameter: 0.125 INCHES NOMINAL IN; Fastener Length: 0.200 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: AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE LOCKING RING. 22 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.