The Elbow,pipe, cataloged under National Stock Number 4730-01-407-9290, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-407-9290 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | 81346-ASTM A182,GRADE F ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 2.500 INCHES NOMINAL ALL ENDS IN |
| Sweep Type | LONG |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 5S ALL ENDS |
| Material | STEEL COMP 316 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SP-43 | 3/1 Design control — primary reference Manufacturers Standardization Society of the Valve and Fittings Industry Inc |
| 20105-4 | 5/9 Secondary reference Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy |
NSN 4730-01-407-9290 is a Elbow,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5999-01-464-6318. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-407-9290: Flow Angle: 45.0 DEGREES; Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 9 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.