The Reducer,tube, cataloged under National Stock Number 4730-00-613-6056, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-613-6056 |
| Primary Part Number | 318314 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Connection Style | SOCKET W/ FLARE (TUBE) ALL ENDS |
| Nominal Overall Length | 1.065 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.300 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.241 INCHES ALL ENDS IN |
| Reduced Passage Nominal Inside Diameter | 0.188 INCHES ALL ENDS IN |
| Material | STEEL COMP 347 OVERALL |
| 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 |
|---|---|
| 318314 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 318314 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 318314 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 318314 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-613-6056 is a Reducer,tube, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-613-6056 has 3 manufacturer part numbers on file: 318314 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 318314 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 318314 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 318314: Connection Style: SOCKET W/ FLARE (TUBE) ALL ENDS; Nominal Overall Length: 1.065 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Material Document and Classification: AMS5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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.