The Rivet,blind, cataloged under National Stock Number 5320-01-290-8450, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Peerless Aerospace, Llc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-290-8450 |
| Primary Part Number | NAS1670-4DL6 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Peerless Aerospace, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.2580 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN |
| Lubrication | DRY FILM OR PARAFFIN WAX OR CETYL ALCOHOL |
| Expansion Device | THREADED STEM |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE BOLT |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,TY 1,CL 1 FED SPEC 2ND TREATMENT RESPONSE SLEEVE |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM NUT |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM BOLT |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE BOLT |
| Material Document and Classification | AMS 5641 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5639 ASSN STD 2ND MATERIAL RESPONSE SLEEVE |
| Features Provided | DRIVE NUT |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Specification/standard Data | 80205-NAS1670 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.345 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Shank Style | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Surface Treatment | CADMIUM AND CHROMATE BOLT |
| Surface Treatment | PASSIVATE AND CADMIUM SLEEVE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 BOLT |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 NUT |
| Material | STEEL COMP 303SE OR STEEL COMP 304 SLEEVE |
| Head Major Diameter | 0.463 INCHES MINIMUM 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 |
|---|---|
| NAS1670-4DL6 | Peerless Aerospace, Llc (USA) |
| PLT5110-8-6 | Howmet Global Fastening Systems Inc (USA) |
| BL5110-8-6 | Hi-Shear Corporation (USA) |
| BL5110-8-6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| PLT5110-8-6 | 5/2 Secondary reference U.S. Government activity |
| NAS1670-4DL6 | 3/2 Design control — primary reference U.S. Government activity |
| PLT5110-8-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-290-8450 is a Rivet,blind, manufactured by Peerless Aerospace, Llc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-290-8450 has 4 manufacturer part numbers on file: NAS1670-4DL6 (Peerless Aerospace, Llc), PLT5110-8-6 (Howmet Global Fastening Systems Inc), BL5110-8-6 (Hi-Shear Corporation), BL5110-8-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for NAS1670-4DL6: Shank Diameter: 0.2580 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN; Lubrication: DRY FILM OR PARAFFIN WAX OR CETYL ALCOHOL; Expansion Device: THREADED STEM; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT. 24 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.