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Technical Data Sheet
491-312 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, material: PLASTIC, movement_type: MOVING IRON VANE, overall_width: 4.000 INCHES NOMINAL IN, overall_height: 3.750 INCHES NOMINAL IN, style_designator: RECTANGULAR FLUSH MTG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-989-9927, 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
MRO MRO_GENERAL 491-312
NSN: 6625-00-989-9927
FSC: 6625
CAGE: 28569 — HICKOK WAEKON LLC (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
materialPLASTIC
movement_typeMOVING IRON VANE
overall_width4.000 INCHES NOMINAL IN
overall_height3.750 INCHES NOMINAL IN
style_designatorRECTANGULAR FLUSH MTG
accuracy_in_percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
dial_scale_marking_colorBLACK SINGLE INDICATOR SINGLE RANGE
mounting_arrangement_styleFOUR HOLE/STUD RECTANGULAR/SQUARE
movement_suspension_methodJEWEL PIVOT BASE
circuit_current_for_which_designedAC
NSN6625-00-989-9927
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN 491-312 MFR FILTER ELEMENT,FLUID
KEY FEATURES
MOVEMENT TYPE: MOVING IRON VANE
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 3.500 INCHES NOMINAL IN
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 THREADED STUD
MOVEMENT SUSPENSION METHOD: JEWEL PIVOT BASE
STYLE DESIGNATOR: RECTANGULAR FLUSH MTG
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED STUD(S)
MATERIAL: PLASTIC
ACCURACY IN PERCENT: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
TECHNICAL CHARACTERISTICS (FLIS)
MOVEMENT TYPEMOVING IRON VANE
METER BODY DIAMETER BEHIND MOUNTING FLANGE3.500 INCHES NOMINAL IN
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
MOVEMENT SUSPENSION METHODJEWEL PIVOT BASE
STYLE DESIGNATORRECTANGULAR FLUSH MTG
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED STUD(S)
MATERIALPLASTIC
ACCURACY IN PERCENT-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
COLORUNABLE TO DECODE
OVERALL HEIGHT3.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
49131Interchangeable
interchangeable cross-reference
interchangeable
212-510Interchangeable
interchangeable cross-reference
interchangeable
R9W1133Interchangeable
interchangeable cross-reference
interchangeable
09418Interchangeable
interchangeable cross-reference
interchangeable
491118Interchangeable
interchangeable cross-reference
interchangeable
59F79F3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 491-312?
491-312 is a FILTER ELEMENT,FLUID. It is classified as a MRO (MRO_GENERAL).
What parts can replace 491-312?
There are 6 known substitutes for 491-312: 49131, 212-510, R9W1133 and 3 more. Substitute compatibility should be verified for your specific system.
Is 491-312 still available?
491-312 is currently cancelled.
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