The Sleeve,compression,tube-Hose Fit, cataloged under National Stock Number 4730-00-863-9100, 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 Swagelok Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-863-9100 |
| Primary Part Number | B-203-1 |
| Item Name | Sleeve,compression,tube-Hose Fit |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Style Designator | TAPERED |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | COPPER ALLOY |
| Hose/tube Outside Diameter for Which Designed | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2TZ-B | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| B-203-1 PRIMARY | Swagelok Co (USA) |
| 2FF | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 2FF | 5/9 Secondary reference J R Douglass Company |
NSN 4730-00-863-9100 is a Sleeve,compression,tube-Hose Fit, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-863-9100 has 3 manufacturer part numbers on file: 2TZ-B (Parker-Hannifin Corporation Div Instrumentation Products Division), B-203-1 (Swagelok Co), 2FF (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-577-4466. Verify interchangeability with system specifications before substitution.
Key specifications for B-203-1: Style Designator: TAPERED; Overall Length: 0.192 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Material: COPPER ALLOY. 4 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.