The Bolt,machine, cataloged under National Stock Number 5306-01-463-6168, 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 15 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-463-6168 |
| Primary Part Number | HS4243V9-63 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.133 INCHES NOMINAL IN |
| Head Height | 0.557 INCHES NOMINAL IN |
| Fastener Length | 4.963 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-8867, TYPE II OR TYPE III, CLASS 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Extended Washer Diameter | 0.933 INCHES NOMINAL IN |
| Thread Length | 1.025 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| HS4243V9-63 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SLB351V9-63 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| HS4243V9-63 | Houston Precision Fasteners I Lp (USA) |
| HS4243V9-63 PRIMARY | The Boeing Company (USA) |
| HS4243V9-63 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| HS4243V9-63 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| SII1263V9-63 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| MC4243V9-63 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| AIC924V9-63 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| AIC6924V9-63 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 76924V9-63 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HS4243V9-63 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5306-01-463-6168 is a Bolt,machine, manufactured by The Boeing Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-463-6168 has 5 manufacturer part numbers on file: HS4243V9-63 (Sps Technologies, Llc Dba PB Fasteners), SLB351V9-63 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), HS4243V9-63 (Houston Precision Fasteners I Lp), HS4243V9-63 (The Boeing Company), HS4243V9-63 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for HS4243V9-63: Extended Washer Thickness: 0.133 INCHES NOMINAL IN; Head Height: 0.557 INCHES NOMINAL IN; Fastener Length: 4.963 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-8867, TYPE II OR TYPE III, CLASS 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL. 15 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.