The Reducer,tube, cataloged under National Stock Number 4730-00-706-8711, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 23 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-706-8711 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | CANCELLED |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Nominal Overall Length | 0.960 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Specification/standard Data | 96906-MS51534 GOVERNMENT STANDARD |
| Thread Class | 2A SECOND END A |
| Thread Class | 2B FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Reducer Type | CONCENTRIC |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS51534B6-4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 883FS3-8X1-4 | 5/9 Secondary reference Imperial |
| 00301-0262 | 5/9 Secondary reference U.S. Government activity |
| 4730007068711 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6-4TRTX-S | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51534A6-4 | 5/1 Secondary reference Us Army Aviation and Missile Command |
| MS51534A6-4 | 2/2 Government specification standardization U.S. Government activity |
| 6-4TRBTX-S | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51534A6-4 | 5/1 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 0603-6-4 | 5/9 Secondary reference U.S. Government activity |
| MS51534A6-4 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 35306091 | C/1 Advisory reference — outside the item-of-supply concept Clark Equipment Co Div Doosan Infracore Portable Power |
| MIL-F-18866 | 5/9 Secondary reference U.S. Government activity |
| 218-790 | C/1 Advisory reference — outside the item-of-supply concept Cnh Industrial America Llc Dba Cnh America |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| 883FS06X04 | 5/9 Secondary reference Imperial |
| 6-4-37TR | 5/9 Secondary reference Jm Fittings, Llc Dba L & L Fittings Mfg |
| MS51534A6-4 | 5/9 Secondary reference U.S. Government activity |
| C5015X6X4 | C/1 Advisory reference — outside the item-of-supply concept Dana Corp Weatherhead Div |
| 0603-6-4 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-00-706-8711 is a Reducer,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-027-6295, 4730-01-422-2435, 6545-01-607-8059. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-706-8711: Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Nominal Overall Length: 0.960 INCHES IN; Connection Type: THREADED EXTERNAL TUBE SECOND END. 16 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.
NSN 4730-00-706-8711 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.