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NSN 2040-01-256-3737Government record, cited

Lining, Friction2040-01-256-3737

NSN 2040-01-256-3737 · NIIN 012563737 · Part number 420843-03
Alfa Laval Inc · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 71871
Government record, cited
NSN 2040-01-256-3737 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-256-3737. Manufacturer of record part number: 420843-03.
Also searched as  2040-01-256-3737 · 2040012563737 · NIIN 012563737 · 01-256-3737 · FSC 2040 Marine Hardware and Hull Items · CAGE 71871 · 420843-03 · 42084381
Nearby stock numbers  ·
Features
  • Lining,friction — FSC 2040
  • Lining Style: SEGMENT PLAIN
  • Attachment Method: BOLTED
  • Width: 60.0 MILLIMETERS NOMINAL MM
  • Hole Type and Quantity: 3 COUNTERSUNK
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Alfa Laval Inc
Identification
  • NSN: 2040-01-256-3737
  • NIIN: 012563737
  • FSC: 2040 — Marine Hardware and Hull Items
  • FSG: 20 — Ship and Marine Equipment
  • Primary part number: 420843-03
  • Manufacturer: Alfa Laval Inc
General Description

The Lining,friction, cataloged under National Stock Number 2040-01-256-3737, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Alfa Laval Inc. Government technical data includes 4 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-01-256-3737
Primary Part Number420843-03
Item NameLining,friction
FSC / FSG2040 / 20 — Marine Hardware and Hull Items
ManufacturerAlfa Laval Inc
StatusACTIVE
Lining StyleSEGMENT PLAIN
Attachment MethodBOLTED
Width60.0 MILLIMETERS NOMINAL MM
Hole Type and Quantity3 COUNTERSUNK
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4330-01-310-046499156172 POSSIBLE MATCH
PAD,FRICTION BLOCK
Possible match (shared part number)Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
42084381 Alfa Laval Inc (USA)
420843-03 PRIMARY Alfa Laval Inc (USA)
Related Parts
4330-01-310-0464POSSIBLE MATCH
PAD,FRICTION BLOCK
99156172

Frequently Asked Questions

What is NSN 2040-01-256-3737?

NSN 2040-01-256-3737 is a Lining,friction, manufactured by Alfa Laval Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-256-3737?

NSN 2040-01-256-3737 has 2 manufacturer part numbers on file: 42084381 (Alfa Laval Inc), 420843-03 (Alfa Laval Inc).

What NSN replaces 2040-01-256-3737?

1 possible match (shared part number, not a government interchangeability claim): 4330-01-310-0464. Verify interchangeability with system specifications before substitution.

What are the specifications of 420843-03?

Key specifications for 420843-03: Lining Style: SEGMENT PLAIN; Attachment Method: BOLTED; Width: 60.0 MILLIMETERS NOMINAL MM; End Item Identification: USED ON CENTRIFUGAL FUEL PURIFIER MAPX210T ONBOARD 400 FT WAGB COAST GUARD VESSELS FT. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-256-3737 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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