The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-444-0592, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-444-0592 |
| Primary Part Number | HS4243V10-103 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| Status | ACTIVE |
| Extended Washer Thickness | 0.150 INCHES NOMINAL IN |
| Head Height | 0.615 INCHES NOMINAL IN |
| Fastener Length | 7.590 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.045 INCHES NOMINAL IN |
| Thread Length | 1.152 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 7.402 INCHES NOMINAL LOCKING FEATURE IN |
| Material Document and Classification | AMS5758 ASSN STD ALL MATERIAL RESPONSES OR AMS5844 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 6.438 INCHES NOMINAL IN |
| Width Between Flats | 0.755 INCHES NOMINAL IN |
| Grip Diameter | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 70800 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | COBALT COMP MP-35-N OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.402 INCHES NOMINAL LOCKING FEATURE IN |
| Hole Diameter | 0.141 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 |
|---|---|
| HS4243V10-103 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| HS4243V10-103 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HS4243V10-103 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| HS4243V10-103 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| PBF1446V10-103 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| HS4243V10-103 | 7/2 Vendor item drawing reference The Boeing Company |
| HS4243V10-103 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| HS4243V10-103 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| SII1263V10-103 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
NSN 5306-01-444-0592 is a Bolt,close Tolerance, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-444-0592 has 4 manufacturer part numbers on file: HS4243V10-103 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), HS4243V10-103 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HS4243V10-103 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), HS4243V10-103 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HS4243V10-103: Extended Washer Thickness: 0.150 INCHES NOMINAL IN; Head Height: 0.615 INCHES NOMINAL IN; Fastener Length: 7.590 INCHES NOMINAL IN; Extended Washer Diameter: 1.045 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.