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311AHT ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

TEST STATION,FUEL CONTROL SYSTEM. Key specifications include supplementary_features: COMPANY ITEM NAME-TESTER, CALIBRATION, FLOWMETER, reference_data_and_literature: T.O. 33A6-3-30-1,T.0.

33A6-3-30-4. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-535-1065, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
311AHT
NSN: 4920-00-535-1065
FSC: 4920
CAGE: 53553 — AMETEK INC SCHUTTE AND KOERTING DIV (USA)
SPECIFICATIONS
supplementary_featuresCOMPANY ITEM NAME-TESTER, CALIBRATION, FLOWMETER
reference_data_and_literatureT.O. 33A6-3-30-1,T.0. 33A6-3-30-4
NSN4920-00-535-1065
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TEST STATION,FUEL CONTROL SYSTEM TITLE COMPONENT PN 311AHT MFR TEST STATION,FUEL CONT
KEY FEATURES
•
FUNCTIONAL DESCRIPTION: SELF-CONTAINED PRECISION INSTRUMENT USED FOR CALIBRATING DIRECT READING AND TURBINE TYPE FLOWMETERS BY THE DIRECT WEIGHT METHOD,HAS HIGH AND LOW FLOW SYSTEM,WHICH ARE INDEPENDENT OF EACH OTHER;126.000 IN. LG,104.000 IN. W,60.000 IN. H IN
•
REFERENCE DATA AND LITERATURE: T.O. 33A6-3-30-1,T.0. 33A6-3-30-4
•
SUPPLEMENTARY FEATURES: COMPANY ITEM NAME-TESTER, CALIBRATION, FLOWMETER
TECHNICAL CHARACTERISTICS (FLIS)
FUNCTIONAL DESCRIPTIONSELF-CONTAINED PRECISION INSTRUMENT USED FOR CALIBRATING DIRECT READING AND TURBINE TYPE FLOWMETERS BY THE DIRECT WEIGHT METHOD,HAS HIGH AND LOW FLOW SYSTEM,WHICH ARE INDEPENDENT OF EACH OTHER;126.000 IN. LG,104.000 IN. W,60.000 IN. H IN
REFERENCE DATA AND LITERATURET.O. 33A6-3-30-1,T.0. 33A6-3-30-4
SUPPLEMENTARY FEATURESCOMPANY ITEM NAME-TESTER, CALIBRATION, FLOWMETER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10635884-3Interchangeable
interchangeable cross-reference
interchangeable
311-AInterchangeable
interchangeable cross-reference
interchangeable
R31-2Interchangeable
interchangeable cross-reference
interchangeable
R31-1AInterchangeable
interchangeable cross-reference
interchangeable
54055K19Interchangeable
interchangeable cross-reference
interchangeable
811P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311AHT?
311AHT is a TEST STATION,FUEL CONTROL SYSTEM.
What parts can replace 311AHT?
There are 10 known substitutes for 311AHT: 10635884-3, 311-A, R31-2 and 7 more. Substitute compatibility should be verified for your specific system.
Is 311AHT still available?
311AHT is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026