The Adapter,straight,flange to Flang, cataloged under National Stock Number 4730-01-083-1750, 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 Rolls-Royce Solutions America Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-083-1750 |
| Primary Part Number | 5128203 |
| Item Name | Adapter,straight,flange to Flang |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Flange Face Design | PLAIN FIRST END |
| Nominal Length | 2.484 INCHES FIRST END IN |
| Nominal Length | 2.969 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.781 INCHES ALL ENDS IN |
| Nominal Overall Length | 4.375 INCHES IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.344 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 0.250 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 ALL ENDS |
| Nominal Width | 1.938 INCHES FIRST END IN |
| Nominal Width | 2.141 INCHES SECOND END IN |
| Material | IRON CAST OR IRON ALLOY OVERALL |
| Raised Face Nominal Diameter | 1.606 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.070 INCHES SECOND END IN |
| Nominal Thickness | 0.215 INCHES FIRST END IN |
| Nominal Thickness | 0.255 INCHES SECOND END 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 |
|---|---|
| 2AE700 | Oshkosh Defense Llc (USA) |
| 5128203 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2AE700 | 5/9 Secondary reference Oshkosh Corp |
| 4730010831750 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| PC5128203 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
NSN 4730-01-083-1750 is a Adapter,straight,flange to Flang, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-083-1750 has 2 manufacturer part numbers on file: 2AE700 (Oshkosh Defense Llc), 5128203 (Rolls-Royce Solutions America Inc).
Key specifications for 5128203: Flange Shape: OVAL WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT SECOND END; Flange Face Design: PLAIN FIRST END; Nominal Length: 2.484 INCHES FIRST END IN. 18 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.