The Adapter Bushing, cataloged under National Stock Number 4730-01-013-0140, 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 Humphrey Products Co. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-013-0140 |
| Primary Part Number | RBF1 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Humphrey Products Co |
| Status | ACTIVE |
| Male End Thread Size | 1/4-18 |
| Female End Thread Class | 2B |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 10-32 |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | NPT |
| Female End Screw Thread Series Designator | UNF |
| Male End Thread Class | 2A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| RBF1 PRIMARY | Humphrey Products Co (USA) |
| Reference | Meaning |
|---|---|
| 1025-30203 PIECE53 | 5/9 Secondary reference Jbf Scientific Corp |
| 1025-30203 | D/9 Drawing number reference only Jbf Scientific Corp |
| 7686-71933-001 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company |
NSN 4730-01-013-0140 is a Adapter Bushing, manufactured by Humphrey Products Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-013-0140 has 1 manufacturer part number on file: RBF1 (Humphrey Products Co).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-013-1357, 4820-01-014-1988, 4310-01-301-5280. Verify interchangeability with system specifications before substitution.
Key specifications for RBF1: Male End Thread Size: 1/4-18; Female End Thread Class: 2B; Overall Length: 0.625 INCHES NOMINAL IN; Male End Thread Direction: RIGHT-HAND. 10 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.