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PartsTable / COMPONENT / P644U2-1-2
P644U2-1-2 ✓ 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

The P644U2-1-2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-959-1336, 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
P644U2-1-2
NSN: 6685-00-959-1336
FSC: 6685
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
Part NumberP644U2-1-2
NSN6685-00-959-1336
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available P644U2-1-2 TITLE COMPONENT PN P644U2-1-2 MFR P644U2-1-2
KEY FEATURES
•
SURFACE TREATMENT: ENAMEL CASE
•
MATERIAL: COPPER ALLOY ACTUATING ELEMENT
•
OVERALL DIAMETER: 2.781 INCHES NOMINAL IN
•
CONNECTION QUANTITY: 1
•
STUD LOCATION: BACK
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTENAMEL CASE
MATERIALCOPPER ALLOY ACTUATING ELEMENT
MATERIALGLASS PROTECTIVE CRYSTAL
MATERIALSTEEL CASE
OVERALL DEPTH1.266 INCHES NOMINAL IN
OVERALL DIAMETER2.781 INCHES NOMINAL IN
CONNECTION QUANTITY1
STUD LOCATIONBACK
SCALE SMALLEST INCREMENT2.0 POUNDS PER SQUARE INCH (PSI) LBS
SCALE RANGE+0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
023ADFM1-100Interchangeable
interchangeable cross-reference
interchangeable
GAG-436Interchangeable
interchangeable cross-reference
interchangeable
23BInterchangeable
interchangeable cross-reference
interchangeable
A244313-3Interchangeable
interchangeable cross-reference
interchangeable
50520Interchangeable
interchangeable cross-reference
interchangeable
292BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P644U2-1-2?
P644U2-1-2 is a P644U2-1-2.
What parts can replace P644U2-1-2?
There are 29 known substitutes for P644U2-1-2: 023ADFM1-100, GAG-436, 23B and 26 more. Substitute compatibility should be verified for your specific system.
Is P644U2-1-2 still available?
P644U2-1-2 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