The Elbow,tube, cataloged under National Stock Number 4730-01-508-2970, 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 1 specification, 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 | 4730-01-508-2970 |
| Primary Part Number | 153-1818 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| 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 |
|---|---|
| 153-1818 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4730-01-508-2970 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 4730-01-508-2970 has 1 manufacturer part number on file: 153-1818 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 6510-01-676-3176. Verify interchangeability with system specifications before substitution.
Key specifications for 153-1818: Special Features: NHA IS ELBOW ASSY (P/N 175-9107) THAT IS A SUB ASSY OF TUBE ASSY - OIL SUPPLY (P/N 132-6950); Media for Which Designed: FLUID SINGLE RESPONSE; Part Name Assigned by Controlling Agency: ELBOW-45 DEGREE; End Item Identification: 2320-01-447-6345, FAMILY OF MEDIUM & LIGHT TACTICAL VEH. 1 specification is 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.