The Elbow,tube, cataloged under National Stock Number 4730-01-516-2237, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 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. 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 | 4730-01-516-2237 |
| Primary Part Number | 121-6496 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Nominal Length | 36.8 MILLIMETERS ALL ENDS MM |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 90.0 DEGREES ALL ENDS |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 121-6496 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4730-01-516-2237 is a Elbow,tube, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-516-2237 has 1 manufacturer part number on file: 121-6496 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-559-3908. Verify interchangeability with system specifications before substitution.
Key specifications for 121-6496: Nominal Length: 36.8 MILLIMETERS ALL ENDS MM; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Seat Angle: 90.0 DEGREES ALL ENDS; Special Features: STOR LENGTH 36.8 MM; STOR SEAL P/N 3K0360; JIC LENGTH 29.2 MM, JUC DASH SIZE 6 MM. 5 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.