The Elbow,pipe, cataloged under National Stock Number 4730-01-470-7970, 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 Mission Systems Orchard Park Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-470-7970 |
| Primary Part Number | B50281-1 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| B50281-1 | Msi-Defence Systems Ltd (GBR) |
| B50281-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| B50281-1 | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
| B50281 | D/9 Drawing number reference only Carleton Technologies Inc Div Tampa Facility |
| B50281 | 5/1 Secondary reference Msi-Defence Systems Ltd |
NSN 4730-01-470-7970 is a Elbow,pipe, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-470-7970 has 2 manufacturer part numbers on file: B50281-1 (Msi-Defence Systems Ltd), B50281-1 (Mission Systems Orchard Park Inc).
Key specifications for B50281-1: Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Special Features: FINISH HEXAVALENT CHROMIUM DEPOSIT, .000010 THICK; BLACK CHROMIUM DEPOSIT, .000030 THICK; Part Name Assigned by Controlling Agency: ELBOW ASSEMBLY. 3 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.