The Elbow,tube, cataloged under National Stock Number 4730-00-289-2828, 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 Motorola Canada Ltd. Government technical data includes 15 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-289-2828 |
| Primary Part Number | 252790 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Motorola Canada Ltd |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.562 INCHES MINIMUM AND 1.594 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 252790 PRIMARY | Motorola Canada Ltd (CAN) |
| 252790 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 252790 PRIMARY | Crain Enterprises Inc (USA) |
| Reference | Meaning |
|---|---|
| 252790 | 5/9 Secondary reference Geodesics Inc |
| 252790 | 5/9 Secondary reference Marwell Engineering Co |
| 252790 | 5/9 Secondary reference Engineered Machine Builders |
| 252790 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 252790 | 5/9 Secondary reference General Electric Co Apparatus Sales Division of Apparatus Group |
| 252790 | 5/9 Secondary reference Bentson Industries Inc P O Box 1974 Midland Mi 48641-1974 |
NSN 4730-00-289-2828 is a Elbow,tube, manufactured by Motorola Canada Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-289-2828 has 3 manufacturer part numbers on file: 252790 (Motorola Canada Ltd), 252790 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 252790 (Crain Enterprises Inc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-398-3096. Verify interchangeability with system specifications before substitution.
Key specifications for 252790: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END. 15 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.