The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-571-1726, 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 Fitting Source, Inc Dba Fitting Source Inc. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-571-1726 |
| Primary Part Number | 100203 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fitting Source, Inc Dba Fitting Source Inc |
| 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 |
|---|---|
| 100203 PRIMARY | Fitting Source, Inc Dba Fitting Source Inc (USA) |
| Reference | Meaning |
|---|---|
| X000993-601 | D/9 Drawing number reference only U.S. Government activity |
| 100203 | 5/9 Secondary reference Eatons Farm Services |
| 100203 | 5/9 Secondary reference Motion Industries, Inc. Div Gadsden |
| 100203 | 5/9 Secondary reference Kongsberg Automotive As |
| 100204-3 | 3/9 Design control — primary reference U.S. Government activity |
| 100203 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
NSN 4730-01-571-1726 is a Adapter,straight,tube to Hose, manufactured by Fitting Source, Inc Dba Fitting Source Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-571-1726 has 1 manufacturer part number on file: 100203 (Fitting Source, Inc Dba Fitting Source Inc).
1 possible match (shared part number, not a government interchangeability claim): 6530-01-677-2596. Verify interchangeability with system specifications before substitution.
Key specifications for 100203: Special Features: STRAIGHT PLATED STEEL, 37 DEGREE FLARE, JIC FEMALE SWIVEL; Part Name Assigned by Controlling Agency: FLARE,FITTING/ADAPTER; End Item Identification: F-15 AIRCRAFT, SUPPORT EQUIPMENT; 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.