The Bolt,machine, cataloged under National Stock Number 5306-01-669-5804, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Airbus SAS. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-669-5804 |
| Primary Part Number | NAS1790C3R21P |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Airbus SAS |
| Status | ACTIVE |
| Fastener Length | 1.601 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMSQQ+416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.338 INCHES NOMINAL IN |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5732 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5737 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.381 INCHES NOMINAL 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 |
|---|---|
| NAS1790C3R21P | Airbus SAS (DEU) |
| Reference | Meaning |
|---|---|
| NAS1790C3R21P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-669-5804 is a Bolt,machine, manufactured by Airbus SAS, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-669-5804 has 1 manufacturer part number on file: NAS1790C3R21P (Airbus SAS).
Key specifications for NAS1790C3R21P: Fastener Length: 1.601 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMSQQ+416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.338 INCHES NOMINAL IN; Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5732 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5737 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 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.