The Flange,pipe, cataloged under National Stock Number 4730-00-483-1102, 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 Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4730-00-483-1102 |
| Primary Part Number | 900538 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Flange Width Across Flats | 4.000 INCHES MINIMUM AND 4.062 INCHES MAXIMUM IN |
| Bolt Hole Diameter | 0.531 INCHES NOMINAL IN |
| Nominal Thread Size | 2.000 INCHES IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Recess Diameter | 2.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.062 INCHES NOMINAL IN |
| Raised Face Diameter | 2.812 INCHES NOMINAL IN |
| Screw Thread Series Designator | NPT |
| Center to Center Distance Between Bolt Holes Along Width | 1.688 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Thickness | 0.500 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 |
NSN 4730-00-483-1102 is a Flange,pipe, manufactured by Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-483-1102 has 2 manufacturer part numbers on file: 10921644 (U S Army Tank Automotive Command Amsta-Im-Mm), 900538 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-487-7948. Verify interchangeability with system specifications before substitution.
Key specifications for 900538: Face Seating Surface Condition: MACHINED; Flange Width Across Flats: 4.000 INCHES MINIMUM AND 4.062 INCHES MAXIMUM IN; Bolt Hole Diameter: 0.531 INCHES NOMINAL IN; Nominal Thread Size: 2.000 INCHES IN. 13 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.