The Union,pipe, cataloged under National Stock Number 4730-01-705-6578, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-705-6578 |
| Primary Part Number | AS5969T1616 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Nominal Length | 3.426 INCHES ALL ENDS IN |
| Material Document and Classification | AAMS4965 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE UNION |
| Nominal Outside Diameter Tube Accommodated | 1.004 INCHES ALL ENDS IN |
| Operating Pressure | 5080.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 1.495 INCHES ALL ENDS IN |
| Surface Treatment | LUBRICANT UNION |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Material | TITANIUM ALLOY UNION |
| 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 |
|---|---|
| AS5969T1616 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS5969 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-705-6578 is a Union,pipe, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-705-6578 has 1 manufacturer part number on file: AS5969T1616 (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-706-0343, 4730-01-712-8801. Verify interchangeability with system specifications before substitution.
Key specifications for AS5969T1616: Nominal Length: 3.426 INCHES ALL ENDS IN; Material Document and Classification: AAMS4965 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE UNION; Nominal Outside Diameter Tube Accommodated: 1.004 INCHES ALL ENDS IN; Operating Pressure: 5080.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 8 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.