The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-890-7946, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-890-7946 |
| Primary Part Number | 1526-29 |
| 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 | 3.180 INCHES NOMINAL IN |
| Second End Thread Class | 2B |
| Third Diameter From Wrenching Feature | 1.247 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN |
| Body Style | RELIEVED |
| Distance From Centerline to Flat | 0.810 INCHES NOMINAL IN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 12 |
| First End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 5.700 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 1.242 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN |
| Second End Seat Angle | 12.0 DEGREES NOMINAL |
| Wrenching Feature Height | 0.190 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.840 INCHES NOMINAL IN |
| Wrenching Feature Style | ROUND WITH WRENCH FLATS |
| Material Document and Classification | AMS-6427 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 4.780 INCHES NOMINAL IN |
| Second End Style Designator | HIGH PRESSURE FLARE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 6.060 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 1.120 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM |
| First Radial Fluid Hole Diameter | 0.090 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 4.570 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 |
|---|---|
| 1526-29 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1526-29 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 4730-00-890-7946 is a Bolt,fluid Passage, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-890-7946 has 1 manufacturer part number on file: 1526-29 (Goodrich Corporation).
Key specifications for 1526-29: 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.