The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-419-3263, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-419-3263 |
| Primary Part Number | 440312 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Measuring Method and Length | 1.380 INCHES NOMINAL WORKING IN |
| Temp Rating | -54.0 CELSIUS AND 125.0 CELSIUS SINGLE RESPONSE DEGC |
| Flange Thickness | 0.120 INCHES NOMINAL FIRST END IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | RAISED FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Connection Type | RAISED FACE FLANGE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Bolt Hole Diameter | 0.152 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.660 INCHES MAXIMUM IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Length | 1.320 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 SECOND END |
| Raised Face Diameter | 0.497 INCHES MINIMUM AND 0.501 INCHES MAXIMUM FIRST END IN |
| Raised Face Height | 0.188 INCHES NOMINAL SECOND END IN |
| Media for Which Designed | HYDRAULIC FLUID, SILICATE-ESTER BASE SINGLE RESPONSE |
| Flange Width | 0.760 INCHES NOMINAL FIRST END IN |
| Hydrostatic Test Pressure | 150.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 16 SECOND END |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Thread Series Designator | UNF SECOND END |
| Flange Style | OVAL FIRST END |
| End Flange Construction | SOLID FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4720-00-419-3263 is a Hose Assembly,metallic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-419-3263 has 2 manufacturer part numbers on file: 440312 (Raytheon Company), 440312 (Raytheon Company Dba Raytheon Co).
7 possible matches (shared part number, not a government interchangeability claim): 5410-01-040-0089, 5985-01-216-9099, 5945-01-257-2086. Verify interchangeability with system specifications before substitution.
Key specifications for 440312: Measuring Method and Length: 1.380 INCHES NOMINAL WORKING IN; Temp Rating: -54.0 CELSIUS AND 125.0 CELSIUS SINGLE RESPONSE DEGC; Flange Thickness: 0.120 INCHES NOMINAL FIRST END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 28 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.