The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-727-2811, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-727-2811 |
| Primary Part Number | S6112-31509-002 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.502 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.337 INCHES NOMINAL IN |
| Body Style | RELIEVED |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 24 |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 0.247 INCHES NOMINAL IN |
| Concentric Hole Depth | 0.660 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.204 INCHES NOMINAL IN |
| First End Thread Length | 0.351 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.427 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.750 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.156 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Minimum Tensile Strength | 4980 POUNDS PER SQUARE INCH LBS |
| First Radial Fluid Hole Diameter | 0.078 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.544 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| First Diameter From Wrenching Feature | 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.312 INCHES 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 |
|---|---|
| S6112-31509-002 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6112-31509-2 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| S6112-31509-2 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| S6112-31509-2 | 5/9 Secondary reference Dkc Enterprises Inc |
| S6112-31509-2 | 5/2 Secondary reference U.S. Government activity |
| S6112-31509-2 | 5/9 Secondary reference Argus Mfg Corp |
| S6112-31509-2 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| S6112-31509-2 | 5/9 Secondary reference W M Z Mfg Co Inc |
NSN 4730-00-727-2811 is a Bolt,fluid Passage, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-727-2811 has 3 manufacturer part numbers on file: S6112-31509-002 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6112-31509-2 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), S6112-31509-2 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for S6112-31509-002: First End Thread Series Designator: UNF; Width Across Flats: 0.502 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.337 INCHES NOMINAL IN. 24 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.