The Elbow,tube, cataloged under National Stock Number 4730-00-288-9421, 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 Rolls-Royce Solutions America Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-288-9421 |
| Primary Part Number | 8924215 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | CANCELLED |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES ALL ENDS IN |
| Leg Length | 0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM ALL ENDS IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Thread Class | 2A ALL ENDS A |
| Material | COPPER ALLOY 377 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9832254 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 8924215 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| A4556 PRIMARY | Mueller Brass Co. (USA) |
| 9432254 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| J513 | 5/9 Secondary reference U.S. Government activity |
| 8924215 | 5/1 Secondary reference Terex Equipment Ltd Div Construction Equipment |
| J513 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 4730002889421 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4730-00-288-9421 is a Elbow,tube, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-288-9421 has 4 manufacturer part numbers on file: 9832254 (Allison Transmission Inc Dba Allison Transmission, Inc), 8924215 (Rolls-Royce Solutions America Inc), A4556 (Mueller Brass Co.), 9432254 (Allison Transmission Inc Dba Allison Transmission, Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3010-00-937-5504, 5915-01-023-9822, 4730-01-346-2597. Verify interchangeability with system specifications before substitution.
Key specifications for 8924215: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Material Document and Classification: QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.
NSN 4730-00-288-9421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.