PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y2Crankcase Assembly

Wildfire Pacific Inc · NSN 4320-00-147-3453 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-147-3453 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-147-3453. Primary manufacturer part number: Y2.
Features
  • Crankcase Assembly — FSC 4320
  • General Characteristics Item Description: ALUMINUM ALLOY; ANODIZED; 6.750 IN. O/A LG; 4.480 IN. O/A H; 5.475 IN. O/A W; FOUR FLANGED SURFACES; ONE FLANGE W/TWO 0.340 IN. DIA HOLES LOCATED 2.690IN. C TO C; ALSO W/RAISED FACE 1.625 IN. DIA BY 0.265 IN. H; OTHER 3 FLANGES HAVE TOTAL OF 12 THD HOLES; 5/16-18 UNC-2B RH THD IN
  • 1 verified cross-reference
  • Primary manufacturer: Wildfire Pacific Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Crankcase Assembly, cataloged under National Stock Number 4320-00-147-3453, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Wildfire Pacific Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-147-3453
Primary Part NumberY2
Item NameCrankcase Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWildfire Pacific Inc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY; ANODIZED; 6.750 IN. O/A LG; 4.480 IN. O/A H; 5.475 IN. O/A W; FOUR FLANGED SURFACES; ONE FLANGE W/TWO 0.340 IN. DIA HOLES LOCATED 2.690IN. C TO C; ALSO W/RAISED FACE 1.625 IN. DIA BY 0.265 IN. H; OTHER 3 FLANGES HAVE TOTAL OF 12 THD HOLES; 5/16-18 UNC-2B RH THD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-845-5112 INTERCHANGEABLE
Clevis,rod End
5975-00-913-3718Y2 INTERCHANGEABLE
Entrance Elbow,electrical
Killark Electric Mfg Co
Cross-Reference Index
Part NumberManufacturer
Y2 PRIMARY Wildfire Pacific Inc (USA)
Related Parts
5340-00-845-5112INTERCHANGEABLE
CLEVIS,ROD END
5975-00-913-3718INTERCHANGEABLE
ENTRANCE ELBOW,ELECTRICAL
Y2

Frequently Asked Questions

What is NSN 4320-00-147-3453?

NSN 4320-00-147-3453 is a Crankcase Assembly, manufactured by Wildfire Pacific Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-147-3453?

NSN 4320-00-147-3453 has 1 cross-referenced part number: Y2 (Wildfire Pacific Inc).

What NSN replaces 4320-00-147-3453?

There are 2 known substitutes for 4320-00-147-3453: 5340-00-845-5112, 5975-00-913-3718. Verify interchangeability with system specifications before substitution.

What are the specifications of Y2?

Key specifications for Y2: General Characteristics Item Description: ALUMINUM ALLOY; ANODIZED; 6.750 IN. O/A LG; 4.480 IN. O/A H; 5.475 IN. O/A W; FOUR FLANGED SURFACES; ONE FLANGE W/TWO 0.340 IN. DIA HOLES LOCATED 2.690IN. C TO C; ALSO W/RAISED FACE 1.625 IN. DIA BY 0.265 IN. H; OTHER 3 FLANGES HAVE TOTAL OF 12 THD HOLES; 5/16-18 UNC-2B RH THD IN. 1 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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