The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-844-1927, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Airbus Operations. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-844-1927 |
| Primary Part Number | 3955727 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Airbus Operations |
| Status | ACTIVE |
| Width Across Flats | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Head Height | 0.343 INCHES NOMINAL IN |
| Fastener Length | 3.173 INCHES MINIMUM AND 3.203 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.663 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS146 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP 3140 OR STEEL COMP 3135 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.615 INCHES MINIMUM AND 0.625 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 |
|---|---|
| 3955727 | Airbus Operations (FRA) |
| Reference | Meaning |
|---|---|
| NAS146-51 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-844-1927 is a Bolt,internal Wrenching, manufactured by Airbus Operations, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-844-1927 has 1 manufacturer part number on file: 3955727 (Airbus Operations).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-413-8119. Verify interchangeability with system specifications before substitution.
Key specifications for 3955727: Width Across Flats: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Head Height: 0.343 INCHES NOMINAL IN; Fastener Length: 3.173 INCHES MINIMUM AND 3.203 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.