The Adapter,straight,flange to Flang, cataloged under National Stock Number 4730-01-184-0518, 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 Oil States Industries, Inc. Div Special Products Div. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Adapter,straight,flange to Flang |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Oil States Industries, Inc. Div Special Products Div (CAGE 18444) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-184-0518 |
| Primary Part Number | 299939-200 |
| Item Name | Adapter,straight,flange to Flang |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oil States Industries, Inc. Div Special Products Div |
| Status | ACTIVE |
| 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 |
|---|---|
| 299939-200 PRIMARY | Oil States Industries, Inc. Div Special Products Div (USA) |
| Reference | Meaning |
|---|---|
| 299939 | D/9 Drawing number reference only Edwards Aerospace Inc |
| 19-80-1446MA1A | 3/2 Design control — primary reference U.S. Government activity |
| 19-80-1446 | 5/9 Secondary reference U.S. Government activity |
| 299939-200 | 5/9 Secondary reference Edwards Aerospace Inc |
NSN 4730-01-184-0518 is a Adapter,straight,flange to Flang, manufactured by Oil States Industries, Inc. Div Special Products Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-184-0518 has 1 manufacturer part number on file: 299939-200 (Oil States Industries, Inc. Div Special Products Div).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-320-2876. 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.