The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-203-9746, 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 Danfoss Power Solutions II, Llc. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-9746 |
| Primary Part Number | ER01232 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| Second End Nominal Thread Size | 0.438 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.340 INCHES NOMINAL IN |
| Second End Thread Class | 2A A |
| Third Diameter From Wrenching Feature | 0.507 INCHES NOMINAL IN |
| Body Style | BODY WRENCHING |
| Cotter Pin Hole Diameter | 0.095 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 0.950 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.431 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.250 INCHES NOMINAL IN |
| Second End Seat Angle | 12.5 DEGREES NOMINAL |
| Wrenching Feature Height | 0.128 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| Wrenching Feature Style | HEXAGON |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.658 INCHES NOMINAL IN |
| Second End Style Designator | FLARELESS |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.170 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.188 INCHES NOMINAL IN |
| Distance From Bolt End to Hole Center | 0.075 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| First Radial Fluid Hole Diameter | 0.185 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.618 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Second End Thread Length | 0.360 INCHES NOMINAL IN |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| First Diameter From Wrenching Feature | 0.507 INCHES NOMINAL IN |
| Fourth Diameter From Wrenching Feature | 0.430 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 |
|---|---|
| 2-01059 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| ER01232 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| ER01232 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| ER01232 | 3/9 Design control — primary reference Dana Corp Weatherhead Div |
NSN 4730-00-203-9746 is a Bolt,fluid Passage, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-203-9746 has 3 manufacturer part numbers on file: 2-01059 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), ER01232 (Danfoss Power Solutions II, Llc), ER01232 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
1 possible match (shared part number, not a government interchangeability claim): 2915-00-970-1777. Verify interchangeability with system specifications before substitution.
Key specifications for ER01232: Width Across Flats: 0.688 INCHES NOMINAL IN; Second End Nominal Thread Size: 0.438 INCHES IN; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.340 INCHES NOMINAL IN; Second End Thread Class: 2A A. 28 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.