The Rivet,blind, cataloged under National Stock Number 5320-01-535-3930, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-535-3930 |
| Primary Part Number | NAS9305B-4-04 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Shank Diameter | 0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Fastener Length | 0.363 INCHES NOMINAL IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE A |
| Surface Treatment Document and Classification | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE MANDREL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE LOCKING RING |
| Surface Treatment Document and Classification | QQ-P-416, TYPE II, 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 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE LOCKING RING |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE MANDREL |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.580 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | CHROMATE SLEEVE |
| Surface Treatment | CADMIUM GRIP |
| Surface Treatment | CADMIUM MANDREL |
| Surface Treatment | PASSIVATE LOCKING RING |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | ALUMINUM ALLOY 5056 SLEEVE |
| Material | STEEL COMP 1038 GRIP |
| Material | STEEL COMP 8740 MANDREL |
| Material | IRON ALLOY 660 OR STEEL COMP 304 LOCKING RING |
| Head Major Diameter | 0.356 INCHES MINIMUM AND 0.394 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-4-04 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| NAS9305B-4-04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-535-3930 is a Rivet,blind, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-535-3930 has 1 manufacturer part number on file: NAS9305B-4-04 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for NAS9305B-4-04: Shank Diameter: 0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Fastener Length: 0.363 INCHES NOMINAL IN; Expansion Device: SERRATED STEM-TYPE W; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE A. 23 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.