The Bolt,machine, cataloged under National Stock Number 5306-01-384-9519, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-384-9519 |
| Primary Part Number | HS4243-12D82 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.178 INCHES NOMINAL IN |
| Head Height | 0.711 INCHES NOMINAL IN |
| Fastener Length | 6.439 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.225 INCHES NOMINAL IN |
| Thread Length | 1.314 INCHES NOMINAL IN |
| Material Document and Classification | AMS5758 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 6.185 INCHES MINIMUM AND 6.215 INCHES MAXIMUM IN |
| Width Between Flats | 0.917 INCHES NOMINAL IN |
| Minimum Tensile Strength | 103000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | COBALT COMP MP-35-N OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HS4243-12D82 PRIMARY | The Boeing Company (USA) |
| 76924-12D82 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SLB351-12D82 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| AIC6924-12D82 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SII1263-12D82 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| Reference | Meaning |
|---|---|
| HS4243-12D82 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5306-01-384-9519 is a Bolt,machine, manufactured by The Boeing Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-384-9519 has 5 manufacturer part numbers on file: HS4243-12D82 (The Boeing Company), 76924-12D82 (Sps Technologies, Llc Dba PB Fasteners), SLB351-12D82 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), AIC6924-12D82 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), SII1263-12D82 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries).
Key specifications for HS4243-12D82: Extended Washer Thickness: 0.178 INCHES NOMINAL IN; Head Height: 0.711 INCHES NOMINAL IN; Fastener Length: 6.439 INCHES NOMINAL IN; Extended Washer Diameter: 1.225 INCHES NOMINAL IN. 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.