The Elbow,tube, cataloged under National Stock Number 4730-01-233-0774, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-233-0774 |
| Primary Part Number | ST7M263J6 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | FLARED (TUBE) SECOND END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE SECOND END BULKHEAD |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 0.740 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.797 INCHES NOMINAL SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.562 INCHES SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A SECOND END BULKHEAD A |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND END BULKHEAD |
| 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 |
|---|---|
| ST7M263J6 | Cal Fittings Inc (USA) |
| ST7M263J6 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| ST7M263J6 | Nelson Aero Space, Inc. (USA) |
| ST7M263J6 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| Reference | Meaning |
|---|---|
| ST7M263 | D/9 Drawing number reference only The Boeing Company Div Defense |
| ST7M263J6 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| ST7M263J6 | C/1 Advisory reference — outside the item-of-supply concept Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| ST7M263J6 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 4730-01-233-0774 is a Elbow,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-233-0774 has 4 manufacturer part numbers on file: ST7M263J6 (Cal Fittings Inc), ST7M263J6 (Sps Technologies, Llc Dba Airdrome Precision Components), ST7M263J6 (Nelson Aero Space, Inc.), ST7M263J6 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-235-8480, 4730-01-248-3845, 4730-01-322-2638. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M263J6: Flow Angle: 90.0 DEGREES; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: FLARED (TUBE) SECOND END BULKHEAD; Connection Type: THREADED EXTERNAL TUBE SECOND END BULKHEAD. 17 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.