PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4953Deflector,dirt and Liquid

Lear Siegler Inc Sherwood Div · NSN 4320-00-300-3727 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-300-3727 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-300-3727. Primary manufacturer part number: 4953.
Features
  • Deflector,dirt and Liquid — FSC 4320
  • Chamfer Angle in Deg: 45.0
  • Body Length: 1.000 INCHES NOMINAL IN
  • Outside Diameter: 2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
  • Step Diameter: 1.625 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
  • Step Length: 0.406 INCHES NOMINAL IN
  • Chamfer Length: 0.016 INCHES NOMINAL IN
  • Inside Diameter: 1.182 INCHES NOMINAL IN
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-00-300-3727, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. Government technical data includes 7 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-300-3727
Primary Part Number4953
Item NameDeflector,dirt and Liquid
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
Chamfer Angle in Deg45.0
Body Length1.000 INCHES NOMINAL IN
Outside Diameter2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Step Diameter1.625 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
Step Length0.406 INCHES NOMINAL IN
Chamfer Length0.016 INCHES NOMINAL IN
Inside Diameter1.182 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3040-00-394-84474953 INTERCHANGEABLE
Shaft,turbine
Northrop Grumman Systems Corporation Div Marine Systems
6850-00-753-4953 INTERCHANGEABLE
Lubricant,antiseize
2520-00-773-56758B3890 INTERCHANGEABLE
Shaft Shifter
Heil Environmental Industries
4330-00-919-7020 INTERCHANGEABLE
Cover,fluid Filter
5930-00-952-26394953 INTERCHANGEABLE
Switch Assembly
Electro Scientific Industries Inc
4920-01-087-9620GS16313-1 INTERCHANGEABLE
Fixture,pneumatic Systems Compon
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
4953 Lear Siegler Inc Sherwood Div (USA)
Related Parts
3040-00-394-8447INTERCHANGEABLE
SHAFT,TURBINE
4953
6850-00-753-4953INTERCHANGEABLE
LUBRICANT,ANTISEIZE
2520-00-773-5675INTERCHANGEABLE
SHAFT SHIFTER
8B3890
4330-00-919-7020INTERCHANGEABLE
COVER,FLUID FILTER
5930-00-952-2639INTERCHANGEABLE
SWITCH ASSEMBLY
4953
4920-01-087-9620INTERCHANGEABLE
FIXTURE,PNEUMATIC SYSTEMS COMPON
GS16313-1

Frequently Asked Questions

What is NSN 4320-00-300-3727?

NSN 4320-00-300-3727 is a Deflector,dirt and Liquid, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-300-3727?

NSN 4320-00-300-3727 has 1 cross-referenced part number: 4953 (Lear Siegler Inc Sherwood Div).

What NSN replaces 4320-00-300-3727?

There are 6 known substitutes for 4320-00-300-3727: 3040-00-394-8447, 6850-00-753-4953, 2520-00-773-5675 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4953?

Key specifications for 4953: Chamfer Angle in Deg: 45.0; Body Length: 1.000 INCHES NOMINAL IN; Outside Diameter: 2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Step Diameter: 1.625 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN. 7 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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