The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-588-2003, 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 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-588-2003 |
| Primary Part Number | 578629-1 |
| 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 Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.510 INCHES NOMINAL IN |
| Second End Thread Class | 2B |
| Body Style | SHOULDER |
| Distance From Centerline to Flat | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Concentric Hole Depth | 1.180 INCHES NOMINAL IN |
| Second End Seat Angle | 45.0 DEGREES NOMINAL |
| Wrenching Feature Height | 0.312 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.526 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 |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 1.590 INCHES NOMINAL IN |
| Second End Style Designator | HIGH PRESSURE FLARE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 2.036 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| First Radial Fluid Hole Diameter | 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 1.284 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| 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 |
|---|---|
| 578629-1 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 578629 | D/9 Drawing number reference only Goodrich Corp Dba Goodrich Corp |
| 578629-1 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 4730-00-588-2003 is a Bolt,fluid Passage, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-588-2003 has 1 manufacturer part number on file: 578629-1 (Goodrich Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6750-01-407-8473, 6750-01-428-0537. Verify interchangeability with system specifications before substitution.
Key specifications for 578629-1: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.250 INCHES IN; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.510 INCHES NOMINAL IN. 27 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.