The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-083-3960, 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 Goodrich Corporation. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-083-3960 |
| Primary Part Number | 9937A227A |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Quantity Per Inch | 28 |
| Second End Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 2.030 INCHES NOMINAL IN |
| Second End Thread Class | 2B |
| Body Style | PLAIN |
| Distance From Centerline to Flat | 0.380 INCHES NOMINAL IN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 20 |
| First End Style Designator | FLARED TUBE |
| Concentric Hole Depth | 1.008 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.190 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| First End Thread Length | 0.560 INCHES NOMINAL IN |
| Wrenching Feature Style | DEE |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| First End Seat Angle | 0.2 RADIANS MINIMUM AND 0.3 RADIANS MAXIMUM |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 2.060 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| First Radial Fluid Hole Diameter | 0.125 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 1.248 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Thread Length | 0.808 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN |
| First Diameter From Wrenching Feature | 0.435 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.438 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 |
|---|---|
| 9937A227A PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9937A227A | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 9937A227A | 5/9 Secondary reference Anka Instrument Co |
NSN 4730-00-083-3960 is a Bolt,fluid Passage, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-083-3960 has 1 manufacturer part number on file: 9937A227A (Goodrich Corporation).
Key specifications for 9937A227A: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Second End Thread Quantity Per Inch: 28; Second End Nominal Thread Size: 0.250 INCHES IN. 29 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.