The Nipple,tube, cataloged under National Stock Number 4730-01-256-0237, 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 Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-256-0237 |
| Primary Part Number | 57722-00 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Triumph Controls, Llc Dba Triumph Controls, Llc |
| Status | ACTIVE |
| Nominal Overall Length | 6.500 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | LONG |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 57722-00 PRIMARY | Triumph Controls, Llc Dba Triumph Controls, Llc (USA) |
| Reference | Meaning |
|---|---|
| 57722 | 5/9 Secondary reference Triumph Controls, Llc Dba Triumph Controls, Llc |
NSN 4730-01-256-0237 is a Nipple,tube, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-256-0237 has 1 manufacturer part number on file: 57722-00 (Triumph Controls, Llc Dba Triumph Controls, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-400-2936. Verify interchangeability with system specifications before substitution.
Key specifications for 57722-00: Nominal Overall Length: 6.500 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: LONG; Nominal Outside Diameter Tube Accommodated: 1.500 INCHES ALL ENDS IN. 5 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.