The Reducer,tube, cataloged under National Stock Number 4730-01-365-2880, 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 Northrop Grumman Systems Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-365-2880 |
| Primary Part Number | 65560304-9 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT AND 2 FERRULE SLEEVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Nominal Overall Length | 2.200 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.136 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES SECOND END |
| Material | STEEL COMP 316 OVERALL |
| Material | STEEL COMP 316 NUT |
| Material | STEEL COMP 316 SLEEVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 65560304-9 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 65560304 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4730-01-365-2880 is a Reducer,tube, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-365-2880 has 1 manufacturer part number on file: 65560304-9 (Northrop Grumman Systems Corporation).
Key specifications for 65560304-9: Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 2 FERRULE SLEEVE; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: FLARELESS (TUBE) SECOND END; Nominal Overall Length: 2.200 INCHES IN. 13 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.