The Bellows,pressure, cataloged under National Stock Number 3010-01-334-1437, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-334-1437 |
| Primary Part Number | 0569401 |
| Item Name | Bellows,pressure |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| 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 |
|---|---|
| 0569401 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 0569401 | C/1 Advisory reference — outside the item-of-supply concept Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 315223 PIECE 40 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 315223 | D/9 Drawing number reference only Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| PL315223 PIECE 40 | 5/9 Secondary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
NSN 3010-01-334-1437 is a Bellows,pressure, manufactured by Ashcroft Inc Dba Heise, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-334-1437 has 1 manufacturer part number on file: 0569401 (Ashcroft Inc Dba Heise).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-334-1485. Verify interchangeability with system specifications before substitution.
Key specifications for 0569401: Special Features: STAINLESS STEEL,316L; End Item Identification: SAFETY RELIEF VALVE,DRESSER INDUSTRIES INC,MODEL NO. 1900-30G G. 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.