The Plug, cataloged under National Stock Number 4730-01-073-9899, 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 Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Plug |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (CAGE 57140) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-073-9899 |
| Primary Part Number | SMS-6500B |
| Item Name | Plug |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| 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 |
|---|---|
| SMS-6500B PRIMARY | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 200114L PC782 | 5/9 Secondary reference U.S. Government activity |
| 200113AZ-PC782 | 5/9 Secondary reference U.S. Government activity |
| 6500B | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
| 6500B | 5/9 Secondary reference U.S. Government activity |
| 200113AZ | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-073-9899 is a Plug, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-073-9899 has 1 manufacturer part number on file: SMS-6500B (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-235-4143. 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.