The Coupling Assembly,tube,flexible, cataloged under National Stock Number 4730-01-048-0857, 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 Sae International Dba Sae International. Government technical data includes 9 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-048-0857 |
| Primary Part Number | AS1712D88 |
| Item Name | Coupling Assembly,tube,flexible |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Working Temp and Service Type | 200.0 DEG FAHRENHEIT NOMINAL JET FUEL |
| Tube Outside Diameter for Which Designed | 5.500 INCHES NOMINAL IN |
| Style Designator | FLEXIBLE COUPLING ASSEMBLY |
| Material Document and Classification | QQ-A-225/6 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 6.553 INCHES MAXIMUM IN |
| Specification/standard Data | 81343-AS1712 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2024 |
| Working Pressure and Service Type | 125.0 POUNDS PER SQUARE INCH (PSI) NOMINAL JET FUEL LBS |
| 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 |
|---|---|
| AS1712D88 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1710 | 5/9 Secondary reference Sae International Dba Sae International |
| AS1712 | 5/9 Secondary reference U.S. Government activity |
| AS1712D88 | 5/9 Secondary reference U.S. Government activity |
| AS1710 | 5/9 Secondary reference U.S. Government activity |
| BACC42R88 | 5/9 Secondary reference U.S. Government activity |
| S3051-88A | 5/1 Secondary reference Transdigm Inc Div Adelwiggins Group |
| AS1712 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS1710 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-048-0857 is a Coupling Assembly,tube,flexible, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-048-0857 has 1 manufacturer part number on file: AS1712D88 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-395-6405. Verify interchangeability with system specifications before substitution.
Key specifications for AS1712D88: Working Temp and Service Type: 200.0 DEG FAHRENHEIT NOMINAL JET FUEL; Tube Outside Diameter for Which Designed: 5.500 INCHES NOMINAL IN; Style Designator: FLEXIBLE COUPLING ASSEMBLY; Material Document and Classification: QQ-A-225/6 ASSN STD SINGLE MATERIAL RESPONSE. 9 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.