The Coupling,tube, cataloged under National Stock Number 4730-00-278-8863, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-8863 |
| Primary Part Number | J513 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Society of Automotive Engineers Inc |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Thread Class | 2B ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Style Designator | SWIVEL, WRENCHING FACILITIES EACH END |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Nominal Overall Length | 1.312 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-278-8863 is a Coupling,tube, manufactured by Society of Automotive Engineers Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-278-8863 has 3 cross-referenced part numbers: J513 (Society of Automotive Engineers Inc), US4-4 (Kerotest Manufacturing Corp.), J513 (Sae International Dba Sae International).
There are 2 known substitutes for 4730-00-278-8863: 4730-00-769-3961, 4730-01-132-4138. Verify interchangeability with system specifications before substitution.
Key specifications for J513: Connection Style: FLARED (TUBE) ALL ENDS; Seat Angle: 45.0 DEGREES ALL ENDS; Thread Class: 2B ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN. 10 total characteristics are documented in the Federal Logistics Information System.