The Fitting,lubrication, cataloged under National Stock Number 4730-00-201-3243, 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 11 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-201-3243 |
| Primary Part Number | AS15721-5 |
| Item Name | Fitting,lubrication |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Assembly Clearance Radius | 0.469 INCHES NOMINAL IN |
| Shank Length | 0.312 INCHES NOMINAL IN |
| Style Designator | ANGLE |
| Material Document and Classification | AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.125 INCHES IN |
| Height | 0.828 INCHES NOMINAL IN |
| Angle | 90.0 DEGREES |
| Screw Thread Series Designator | PTF-SPL SHORT |
| Thread Quantity Per Inch | 27 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| AS15721-5 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| E322-4885-38 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| AS15721 | 5/9 Secondary reference Sae International Dba Sae International |
| E108165 FIND NO 207 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| AS15721 | 5/9 Secondary reference U.S. Government activity |
| E108165 FIND NO 205 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| 4730PL0971875 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1923S | 5/9 Secondary reference U.S. Government activity |
| AS15721-5 | 5/9 Secondary reference U.S. Government activity |
| D305308 FIND NO 66 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| MS15721-5 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS35411 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-201-3243 is a Fitting,lubrication, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-201-3243 has 1 manufacturer part number on file: AS15721-5 (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-245-7703, 4730-00-972-5789. Verify interchangeability with system specifications before substitution.
Key specifications for AS15721-5: Width Across Flats: 0.438 INCHES NOMINAL IN; Assembly Clearance Radius: 0.469 INCHES NOMINAL IN; Shank Length: 0.312 INCHES NOMINAL IN; Style Designator: ANGLE. 11 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.