The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-458-5180, 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 Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-458-5180 |
| Primary Part Number | 1818415-26 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 1818415-26 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| H859-8-8-S | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-458-5180 is a Adapter,straight,tube to Boss, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-458-5180 has 1 manufacturer part number on file: 1818415-26 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-685-9293. Verify interchangeability with system specifications before substitution.
Key specifications for 1818415-26: Special Features: 1/2 INCH OD TUBE WITH 15/15 HEX BY 3/4-16 MALE STRAIGHT THREAD WITH 7/8 HEX IN; Material: STEEL OVERALL. 1 specification is 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.