The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-615-2163, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-615-2163 |
| Primary Part Number | HS4243V9-14 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.133 INCHES NOMINAL IN |
| Head Height | 0.557 INCHES NOMINAL IN |
| Fastener Length | 1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Thread Length | 1.025 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | AMS5758 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Grip Diameter | 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND DISULFIDE MOLYBDENUM FASTENER |
| Minimum Tensile Strength | 56600 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 | 1.712 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| HS4243V9-14 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HS4243V9-14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HS4243V9-14 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| HS4243V9-14 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| HS4243V9-14 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 5306-01-615-2163 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-615-2163 has 4 manufacturer part numbers on file: HS4243V9-14 (Sps Technologies, Llc Dba PB Fasteners), HS4243V9-14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HS4243V9-14 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), HS4243V9-14 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for HS4243V9-14: Extended Washer Thickness: 0.133 INCHES NOMINAL IN; Head Height: 0.557 INCHES NOMINAL IN; Fastener Length: 1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM IN; Extended Washer Diameter: 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM 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.