The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-398-2097, 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 Hydrasearch Company, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-398-2097 |
| Primary Part Number | 4-202140-12-12 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) FIRST END |
| Nominal Overall Length | 2.060 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.0625 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.750 INCHES ALL ENDS IN |
| Thread Class | 3A FIRST END A |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 4-202140-12-12 PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4-202140-12-12 | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
NSN 4730-01-398-2097 is a Adapter,straight,tube to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-398-2097 has 1 manufacturer part number on file: 4-202140-12-12 (Hydrasearch Company, Llc).
Key specifications for 4-202140-12-12: Connection Style: PLAIN (TUBE) ALL ENDS; Connection Style: FLARED W/ GASKET SEAL (BOSS) FIRST END; Nominal Overall Length: 2.060 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 11 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.