PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

644813Spacer,pump

Goodrich Corporation Dba Goodrich Corp · NSN 4320-01-006-2862 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-006-2862 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-006-2862. Primary manufacturer part number: 644813.
Features
  • Spacer,pump — FSC 4320
  • General Characteristics Item Description: STEEL ALLOY,3.385 IN. MIN,3.395 IN. MAX OD,0.2497 IN. MIN,0.2500 IN. MAX THK IN
  • 1 verified cross-reference
  • Primary manufacturer: Goodrich Corporation Dba Goodrich Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Spacer,pump, cataloged under National Stock Number 4320-01-006-2862, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Goodrich Corporation Dba Goodrich Corp. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-006-2862
Primary Part Number644813
Item NameSpacer,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGoodrich Corporation Dba Goodrich Corp
StatusACTIVE
General Characteristics Item DescriptionSTEEL ALLOY,3.385 IN. MIN,3.395 IN. MAX OD,0.2497 IN. MIN,0.2500 IN. MAX THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6680-01-136-32186448-13 INTERCHANGEABLE
Diaphragm,liquid Sight Indicator
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
644813 PRIMARY Goodrich Corporation Dba Goodrich Corp (USA)
Related Parts
6680-01-136-3218INTERCHANGEABLE
DIAPHRAGM,LIQUID SIGHT INDICATOR
6448-13

Frequently Asked Questions

What is NSN 4320-01-006-2862?

NSN 4320-01-006-2862 is a Spacer,pump, manufactured by Goodrich Corporation Dba Goodrich Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-006-2862?

NSN 4320-01-006-2862 has 1 cross-referenced part number: 644813 (Goodrich Corporation Dba Goodrich Corp).

What NSN replaces 4320-01-006-2862?

There is 1 known substitute for 4320-01-006-2862: 6680-01-136-3218. Verify interchangeability with system specifications before substitution.

What are the specifications of 644813?

Key specifications for 644813: General Characteristics Item Description: STEEL ALLOY,3.385 IN. MIN,3.395 IN. MAX OD,0.2497 IN. MIN,0.2500 IN. MAX THK 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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