The Nut,union, cataloged under National Stock Number 4730-01-422-2636, 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 Naval Inventory Control Point Mechanicsburg. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nut,union |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-422-2636 |
| Primary Part Number | S3E10036-02 ITEM 4L1 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| S3E10036-02 ITEM 4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| S3E10036 ITEM 4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| S2D10584-8ZAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| V3D10352 ITEM 11L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| S3E10036 ITEM 4 | 5/1 Secondary reference U.S. Government activity |
| V3D10352 ITEM 11 | 5/1 Secondary reference U.S. Government activity |
| S3E10036-02 ITEM 4 | 5/1 Secondary reference U.S. Government activity |
| S2D10584-8ZA | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-422-2636 is a Nut,union, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-422-2636 has 4 manufacturer part numbers on file: S3E10036-02 ITEM 4L1 (Naval Inventory Control Point Mechanicsburg), S3E10036 ITEM 4L1 (Naval Inventory Control Point Mechanicsburg), S2D10584-8ZAL1 (Naval Inventory Control Point Mechanicsburg), V3D10352 ITEM 11L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-536-2090. Verify interchangeability with system specifications before substitution.
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.