The Adapter,check Valve, cataloged under National Stock Number 4730-01-481-4248, 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 Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-481-4248 |
| Primary Part Number | 22264-1 |
| Item Name | Adapter,check Valve |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| General Characteristics Item Description | 3/8 TUBING OD, MS3656 END FITTINGS STYLE E AND G |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Thread Size and Series/type Designator | 0.562-18 UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 22264-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 22264-1 | 5/9 Secondary reference Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging |
NSN 4730-01-481-4248 is a Adapter,check Valve, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-481-4248 has 1 manufacturer part number on file: 22264-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-487-3224. Verify interchangeability with system specifications before substitution.
Key specifications for 22264-1: Overall Diameter: 0.812 INCHES NOMINAL IN; General Characteristics Item Description: 3/8 TUBING OD, MS3656 END FITTINGS STYLE E AND G; Overall Length: 1.172 INCHES NOMINAL IN; Special Features: MATERIAL PER QQ-A-225/6, SURFACE FINISH PER MIL-A-8625 TYII, CLI. 5 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.