The Rivet,blind, cataloged under National Stock Number 5320-00-078-9608, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-078-9608 |
| Primary Part Number | 3M166-8-5 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Lubrication | DRY FILM OR PARAFFIN WAX |
| Fastener Length | 0.429 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BOLT |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM BOLT |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM NUT |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE BOLT |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Shank Style | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| Surface Treatment | PASSIVATE BOLT |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | PASSIVATE SLEEVE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 BOLT |
| Material | IRON ALLOY 660 SLEEVE |
| Head Major Diameter | 0.499 INCHES MINIMUM AND 0.507 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 |
|---|---|
| 3M166-8-5 PRIMARY | The Boeing Company Div Defense (USA) |
| F260A-LS-5 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| BC8A5F | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| NAS1672-4-5 | 5/9 Secondary reference U.S. Government activity |
| PLT120-8-5 | 3/2 Design control — primary reference U.S. Government activity |
| PLT120-8-5 | 3/2 Design control — primary reference U.S. Government activity |
| F260ALS5 | 5/9 Secondary reference U.S. Government activity |
| NAS1672-4L5 | 3/2 Design control — primary reference U.S. Government activity |
| FL260A-LS-5 | 5/9 Secondary reference U.S. Government activity |
| F260A-LS-5 | 5/9 Secondary reference U.S. Government activity |
| BC8A5F | 5/9 Secondary reference U.S. Government activity |
NSN 5320-00-078-9608 is a Rivet,blind, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-078-9608 has 3 manufacturer part numbers on file: 3M166-8-5 (The Boeing Company Div Defense), F260A-LS-5 (Fairchild Fasteners Europe - Vsd Gmbh), BC8A5F (Fairchild Fasteners Europe - Vsd Gmbh).
Key specifications for 3M166-8-5: Shank Diameter: 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Lubrication: DRY FILM OR PARAFFIN WAX; Fastener Length: 0.429 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 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.