The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-277-8753, 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 23 specifications, cited from the U.S. Government catalog. 21 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-277-8753 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | CANCELLED |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE |
| Surface Treatment Document and Classification | J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 2.070 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Specification/standard Data | 96906-MS51819 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 19A FIGURE A |
| Media for Which Designed | HYDRAULIC FLUID SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPTF SECOND END |
| 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 |
|---|---|
| J514 | 5/9 Secondary reference U.S. Government activity |
| 3306334 | 5/1 Secondary reference Hatch & Kirk, Inc. |
| 16-16 080102CA | 5/9 Secondary reference U.S. Government activity |
| 16-16 080102CA | 5/1 Secondary reference Sae International Dba Sae International |
| A8205X16 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 8205X16 | 5/1 Secondary reference Danfoss Power Solutions II, Llc |
| MS51819-18 | 2/2 Government specification standardization U.S. Government activity |
| 4730002778753 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| P8205X16 | 5/1 Secondary reference Danfoss Power Solutions II, Llc |
| 3306334 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| MIL-F-18866 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS39206-18 | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| 4730002778753 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 0914016 | 5/1 Secondary reference Agco Corp Parts Opn |
| 8205X16 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| A8205X16 | 5/1 Secondary reference Danfoss Power Solutions II, Llc |
| 914016 | 5/9 Secondary reference U.S. Government activity |
| P8205X16 | 5/9 Secondary reference Dana Corp Weatherhead Div |
NSN 4730-00-277-8753 is a Adapter,straight,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-197-0790, 4730-01-595-0237. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-277-8753: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE; Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 23 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 4730-00-277-8753 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.