PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BC11Cover,hydraulic,pump-Motor

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-145-0476 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-145-0476 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-145-0476. Primary manufacturer part number: BC11.
Features
  • Cover,hydraulic,pump-Motor — FSC 4320
  • Material: COPPER ALLOY
  • Mounting Method: HOLE/SLOT
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Copper Alloy construction
General Description

The Cover,hydraulic,pump-Motor, cataloged under National Stock Number 4320-01-145-0476, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-145-0476
Primary Part NumberBC11
Item NameCover,hydraulic,pump-Motor
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialCOPPER ALLOY
Mounting MethodHOLE/SLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-145-0442AC1 INTERCHANGEABLE
Valve,plug
Circor Naval Solutions Llc Dba Warren Pumps
4140-01-231-4341BC-11 INTERCHANGEABLE
Adapter,fan
Rhine Air, Inc
6650-01-398-6797 INTERCHANGEABLE
Charger,laser Ceilometer
7510-01-422-7533BC-11 INTERCHANGEABLE
Ink,cartridge
Canon U S a Inc Micrographics Div
Cross-Reference Index
Part NumberManufacturer
R495PC21 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BC11 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R495 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4820-01-145-0442INTERCHANGEABLE
VALVE,PLUG
AC1
4140-01-231-4341INTERCHANGEABLE
ADAPTER,FAN
BC-11
6650-01-398-6797INTERCHANGEABLE
CHARGER,LASER CEILOMETER
7510-01-422-7533INTERCHANGEABLE
INK,CARTRIDGE
BC-11

Frequently Asked Questions

What is NSN 4320-01-145-0476?

NSN 4320-01-145-0476 is a Cover,hydraulic,pump-Motor, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-145-0476?

NSN 4320-01-145-0476 has 3 cross-referenced part numbers: R495PC21 (Circor Naval Solutions Llc Dba Warren Pumps), BC11 (Circor Naval Solutions Llc Dba Warren Pumps), R495 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-145-0476?

There are 4 known substitutes for 4320-01-145-0476: 4820-01-145-0442, 4140-01-231-4341, 6650-01-398-6797 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BC11?

Key specifications for BC11: Special Features: 3/8-16 HEX HD BOLT; Material: COPPER ALLOY; Mounting Method: HOLE/SLOT; End Item Identification: WARREN PUMP TYPE 3-TO-6. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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