The Parts Kit,split Flange, cataloged under National Stock Number 4730-01-435-1878, 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 Main Manufacturing Products Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-435-1878 |
| Primary Part Number | MK-507 |
| Item Name | Parts Kit,split Flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Main Manufacturing Products Inc |
| Status | ACTIVE |
| Component Quantity | 13 |
| End Item Source | 29899 |
| Supply Items and Quantities | BOLT,4; LOCK WASHER,4; NUT,4; O-RING,1 |
| End Item Name | HYDRAULIC POWER UNIT |
| 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 |
|---|---|
| MK-507 PRIMARY | Main Manufacturing Products Inc (USA) |
| 29841 PIECE 13 | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| Reference | Meaning |
|---|---|
| 29841 | 5/1 Secondary reference Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
NSN 4730-01-435-1878 is a Parts Kit,split Flange, manufactured by Main Manufacturing Products Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-435-1878 has 2 manufacturer part numbers on file: MK-507 (Main Manufacturing Products Inc), 29841 PIECE 13 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
Key specifications for MK-507: Component Quantity: 13; End Item Source: 29899; Supply Items and Quantities: BOLT,4; LOCK WASHER,4; NUT,4; O-RING,1; End Item Name: HYDRAULIC POWER UNIT. 4 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.