The Adapter,straight,flange to Boss, cataloged under National Stock Number 4730-01-179-9868, 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 Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-179-9868 |
| Primary Part Number | RE-B102235-4 |
| Item Name | Adapter,straight,flange to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | FLANGE FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Thread Class | 2A SECOND END A |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| RE-B102235-4 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| RE-B102235 | D/9 Drawing number reference only Naval Sea Systems Command |
| 59R-1-M0NEL | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 59R-1-M | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-179-9868 is a Adapter,straight,flange to Boss, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-179-9868 has 1 manufacturer part number on file: RE-B102235-4 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-181-3957. Verify interchangeability with system specifications before substitution.
Key specifications for RE-B102235-4: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Type: THREADED EXTERNAL BOSS SECOND END; Connection Type: FLANGE FIRST END; Nominal Thread Size: 0.562 INCHES SECOND END IN. 7 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.