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NSN 2815-01-118-2399Government record, cited

Piston, Valve2815-01-118-2399

NSN 2815-01-118-2399 · NIIN 011182399 · Part number YB4
Circor Naval Solutions Llc Dba Warren Pumps · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 63857
Government record, cited
NSN 2815-01-118-2399 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-118-2399. Manufacturer of record part number: YB4.
Also searched as  2815-01-118-2399 · 2815011182399 · NIIN 011182399 · 01-118-2399 · FSC 2815 Diesel Engines and Components · CAGE 63857 · YB4 · YB4-AP
Nearby stock numbers  ·
Features
  • Piston,valve — FSC 2815
  • 1 manufacturer part number on file
  • Manufacturer of record: Circor Naval Solutions Llc Dba Warren Pumps
Identification
  • NSN: 2815-01-118-2399
  • NIIN: 011182399
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: YB4
  • Manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
General Description

The Piston,valve, cataloged under National Stock Number 2815-01-118-2399, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-118-2399
Primary Part NumberYB4
Item NamePiston,valve
FSC / FSG2815 / 28 — Diesel Engines and Components
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
YB4 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Reference documents
ReferenceMeaning
YB4-AP 5/9 Secondary reference
Acme Products & Engineering Inc
No interchangeability data on file.
Other items in FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099
2815-00-011-9099 · Item name not on file
2815-00-017-1875
PIN
2815-00-024-4185
2815-00-024-4185 · Item name not on file
2815-00-033-1482
2815-00-033-1482 · Item name not on file
2815-00-036-5350
2815-00-036-5350 · Item name not on file
2815-00-179-7630
TUBE
2815-00-346-4639
STRAINER ASSY
2815-00-592-5308
RING,PISTON

Frequently Asked Questions

What is NSN 2815-01-118-2399?

NSN 2815-01-118-2399 is a Piston,valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-118-2399?

NSN 2815-01-118-2399 has 1 manufacturer part number on file: YB4 (Circor Naval Solutions Llc Dba Warren Pumps).

What are the specifications of YB4?

Key specifications for YB4: Special Features: CONSISTS OF THE MAIN PISTON VALVE; TWO EACH OF 1.250 IN. PIPE PLUG; EIGHT HI-TEST GRAY IRON PISTON RINGS IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-118-2399 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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