The Flange,pipe, cataloged under National Stock Number 4730-01-199-1890, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-199-1890 |
| Primary Part Number | 1210C0842 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Socket Diameter | 0.602 INCHES NOMINAL IN |
| Flange Diameter | 1.844 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 0.602 INCHES IN |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.171 INCHES NOMINAL IN |
| Neck Height | 0.093 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8 T651 FED SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 1.875 INCHES NOMINAL IN |
| Bore Diameter | 0.515 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 0.219 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 |
|---|---|
| 1213E1527 FIND 14 | Lockheed Martin Corporation Div Rms (USA) |
| 1210C0842 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1213E1527 | D/9 Drawing number reference only Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1213E1527 FIND 14 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1210C0842 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 4730-01-199-1890 is a Flange,pipe, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-199-1890 has 2 manufacturer part numbers on file: 1213E1527 FIND 14 (Lockheed Martin Corporation Div Rms), 1210C0842 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 2920-01-205-0692. Verify interchangeability with system specifications before substitution.
Key specifications for 1210C0842: Socket Diameter: 0.602 INCHES NOMINAL IN; Flange Diameter: 1.844 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 0.602 INCHES IN. 14 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.