The Elbow,tube, cataloged under National Stock Number 4730-01-235-8480, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-235-8480 |
| Primary Part Number | ST7M263J24 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE ELBOW |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.700 INCHES NOMINAL FIRST END IN |
| Leg Length | 3.406 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.875 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.875 INCHES SECOND END BULKHEAD IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 SECOND END BULKHEAD |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| ST7M263J24 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| ST7M263J24 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| ST7M263J24 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| ST7M263J24 | Nelson Aero Space, Inc. (USA) |
| ST7M263J24 | Cal Fittings Inc (USA) |
| Reference | Meaning |
|---|---|
| ST7M263 | D/9 Drawing number reference only The Boeing Company Div Defense |
| ST7M263J24 | 3/9 Design control — primary reference The Boeing Company Div Defense |
| ST7M263J24 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
NSN 4730-01-235-8480 is a Elbow,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-235-8480 has 5 manufacturer part numbers on file: ST7M263J24 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), ST7M263J24 (Sps Technologies, Llc Dba Airdrome Precision Components), ST7M263J24 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), ST7M263J24 (Nelson Aero Space, Inc.), ST7M263J24 (Cal Fittings Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-248-3845, 4730-01-322-2638. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M263J24: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END. 24 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.