The Double Probe with T, cataloged under National Stock Number 2040-00-629-9904, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Chief Fluid Systems Pty Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2040-00-629-9904 |
| Primary Part Number | B-AY-D/PR |
| Item Name | Double Probe with T |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Chief Fluid Systems Pty Ltd |
| 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 |
|---|---|
| B-AY-D/PR | Chief Fluid Systems Pty Ltd (AUS) |
| 810-2223300 | Hydrasearch Company, Llc (USA) |
| 810-2223300 | Global Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 810-2255759 AND 810-2223300 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2040-00-629-9904 is a Double Probe with T, manufactured by Chief Fluid Systems Pty Ltd, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-629-9904 has 3 manufacturer part numbers on file: B-AY-D/PR (Chief Fluid Systems Pty Ltd), 810-2223300 (Hydrasearch Company, Llc), 810-2223300 (Global Incorporated).
2 possible matches (shared part number, not a government interchangeability claim): 2040-01-095-4462, 2040-01-095-4472. Verify interchangeability with system specifications before substitution.
Key specifications for B-AY-D/PR: End Item Identification: MARINE HARDWARE/HULL ITEMS. 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.