The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-280-8573, 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 Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-280-8573 |
| Primary Part Number | B2817-5720-01 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS SWIVEL) SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 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 |
|---|---|
| 2817-5550ITEM5 | Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc (USA) |
| B2817-5720-01 PRIMARY | Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc (USA) |
| Reference | Meaning |
|---|---|
| B2817-5720-01 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| 2817-5720-01 | C/1 Advisory reference — outside the item-of-supply concept Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc |
| 2817-5550 | D/9 Drawing number reference only Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| 2817-5550 ITEM 5 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
NSN 4730-01-280-8573 is a Adapter,straight,pipe to Tube, manufactured by Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-280-8573 has 2 manufacturer part numbers on file: 2817-5550ITEM5 (Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc), B2817-5720-01 (Industrial Heat Transfer, Inc. Dba Industrial Heat Transfer Inc).
Key specifications for B2817-5720-01: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS SWIVEL) SECOND END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 6 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.