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Technical Data Sheet
PartsTable / COMPONENT / P653
P653 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include color: YELLOW, width: 1.500 INCHES NOMINAL IN, length: 2.000 INCHES NOMINAL IN, material: COPPER ALLOY ACTUATING ELEMENT, dial_size: 6 IN. DIA IN, scale_name: PRESSURE.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-585-4510, 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
P653
NSN: 6685-00-585-4510
FSC: 6685
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
colorYELLOW
width1.500 INCHES NOMINAL IN
length2.000 INCHES NOMINAL IN
materialCOPPER ALLOY ACTUATING ELEMENT
dial_size6 IN. DIA IN
scale_namePRESSURE
scale_typeSINGLE
scale_range+0.000 TO 10.000 INCHES OF WATER IN
pointer_typeINDICATING
adjustabilityADJUSTABLE
overall_depth3.687 INCHES NOMINAL IN
pointer_colorBLACK
NSN6685-00-585-4510
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available O-RING TITLE COMPONENT PN P653 MFR O-RING
KEY FEATURES
•
SURFACE TREATMENT: ANODIZE CASE
•
MOUNTING HOLE DIAMETER: 0.228 INCHES NOMINAL IN
•
OVERALL DIAMETER: 8.500 INCHES NOMINAL IN
•
MATERIAL: GLASS PROTECTIVE CRYSTAL
•
MOUNTING HOLE QUANTITY: 3
•
CONNECTION SIZE: 1/8 IN. NPT IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTANODIZE CASE
MOUNTING HOLE DIAMETER0.228 INCHES NOMINAL IN
OVERALL DIAMETER8.500 INCHES NOMINAL IN
MATERIALGLASS PROTECTIVE CRYSTAL
MATERIALCOPPER ALLOY ACTUATING ELEMENT
MATERIALALUMINUM CASE
MOUNTING HOLE QUANTITY3
CONNECTION SIZE1/8 IN. NPT IN
SCALE SMALLEST INCREMENT0.500 INCHES IN
CONNECTION QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
7100229685Interchangeable
interchangeable cross-reference
interchangeable
653Interchangeable
interchangeable cross-reference
interchangeable
44100Interchangeable
interchangeable cross-reference
interchangeable
P653Interchangeable
interchangeable cross-reference
interchangeable
59A120A3-7Interchangeable
Same NIIN cross-reference
interchangeable
FA141700Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P653?
P653 is a O-RING.
What parts can replace P653?
There are 7 known substitutes for P653: 7100229685, 653, 44100 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P653?
P653 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-585-4510. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026