The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-189-0525, 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 Ashcroft Inc Dba Heise. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-189-0525 |
| Primary Part Number | 87156 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| 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 |
|---|---|
| 87156 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 0087156 | C/1 Advisory reference — outside the item-of-supply concept Ashcroft Inc Dba Heise |
NSN 4730-01-189-0525 is a Adapter,straight,pipe to Tube, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-189-0525 has 1 manufacturer part number on file: 87156 (Ashcroft Inc Dba Heise).
2 possible matches (shared part number, not a government interchangeability claim): 6640-01-356-4817, 6910-01-606-0544. Verify interchangeability with system specifications before substitution.
Key specifications for 87156: End Item Identification: BORRESTAL CLASS CV. 0 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.