The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-378-4261, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-378-4261 |
| Primary Part Number | 3311731 ITEM 8 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Head Height | 0.936 INCHES NOMINAL IN |
| Fastener Length | 7.985 INCHES MINIMUM AND 8.015 INCHES MAXIMUM IN |
| Thread Length | 1.063 INCHES NOMINAL IN |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS152 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 | 16 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Head Diameter | 0.744 INCHES MINIMUM AND 0.749 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 |
|---|---|
| 3311731 ITEM 8 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3311731 ITEM 8 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| NAS152DH128 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-378-4261 is a Bolt,internal Wrenching, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-378-4261 has 1 manufacturer part number on file: 3311731 ITEM 8 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3311731 ITEM 8: Width Across Flats: 0.625 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN; Head Height: 0.936 INCHES NOMINAL IN; Fastener Length: 7.985 INCHES MINIMUM AND 8.015 INCHES MAXIMUM IN; Thread Length: 1.063 INCHES NOMINAL IN. 20 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.