The Elbow,pipe, cataloged under National Stock Number 4730-00-640-1130, 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 The American Society of Mechanical Engineers. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-640-1130 |
| Primary Part Number | ASTM A234-SC80-2.5NPS-LR |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Material Document and Classification | ASTM A234 GRADE WPB ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 3.750 INCHES NOMINAL ALL ENDS IN |
| Specification/standard Data | 80204-B16-9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 538.0 CELSIUS SINGLE RESPONSE DEGC |
| Nondefinitive Spec/std Data | C TYPE AND 1 CLASS |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| ASTM A234-SC80-2.5NPS-LR PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| 80DEG-2.5NPS SC80LR | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B16-9SCHEDULE80 | 5/9 Secondary reference U.S. Government activity |
| ASME B16.9 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 4730-00-640-1130 is a Elbow,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-640-1130 has 1 manufacturer part number on file: ASTM A234-SC80-2.5NPS-LR (The American Society of Mechanical Engineers).
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-640-1131, 4730-00-640-1138. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM A234-SC80-2.5NPS-LR: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 2.500 INCHES ALL ENDS IN; Connection Style: BEVELED (PIPE) ALL ENDS; Connection Type: BUTT WELD PIPE ALL ENDS. 13 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.