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PA649 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: FIBER FILTERING MEDIUM, design_type: LIMITED, body_diameter: 5.500 INCHES NOMINAL IN, style_designator: CYLINDRICAL W/CLOSED ENDS, body_overall_length: 3.100 INCHES NOMINAL IN, body_inside_diameter: 3.810 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 2940-00-911-5203, 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
PA649
NSN: 2940-00-911-5203
FSC: 2940
CAGE: 12658 — BALDWIN FILTERS (USA)
SPECIFICATIONS
materialFIBER FILTERING MEDIUM
design_typeLIMITED
body_diameter5.500 INCHES NOMINAL IN
style_designatorCYLINDRICAL W/CLOSED ENDS
body_overall_length3.100 INCHES NOMINAL IN
body_inside_diameter3.810 INCHES NOMINAL IN
filtering_media_designSINGLE STACKED DISKS SINGLE FILTERING MEDIA RESPONSE
filtering_surface_area0.3 SQUARE FEET
NSN2940-00-911-5203
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN PA649 MFR FILTER ELEMENT,INTAKE
KEY FEATURES
•
BODY OVERALL LENGTH: 3.100 INCHES NOMINAL IN
•
DESIGN TYPE: LIMITED
•
BODY INSIDE DIAMETER: 3.810 INCHES NOMINAL IN
•
FILTERING SURFACE AREA: 0.3 SQUARE FEET
•
BODY DIAMETER: 5.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL W/CLOSED ENDS
•
MATERIAL: FIBER FILTERING MEDIUM
•
FILTERING MEDIA DESIGN: SINGLE STACKED DISKS SINGLE FILTERING MEDIA RESPONSE
TECHNICAL CHARACTERISTICS
BODY OVERALL LENGTH3.100 INCHES NOMINAL IN
DESIGN TYPELIMITED
BODY INSIDE DIAMETER3.810 INCHES NOMINAL IN
FILTERING SURFACE AREA0.3 SQUARE FEET
BODY DIAMETER5.500 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL W/CLOSED ENDS
MATERIALFIBER FILTERING MEDIUM
FILTERING MEDIA DESIGNSINGLE STACKED DISKS SINGLE FILTERING MEDIA RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
STH-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3321-448InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
174030InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6485108InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A329CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6483645InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PA649?
PA649 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace PA649?
There are 26 known substitutes for PA649: STH-3, 3321-448, 174030 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PA649?
PA649 is cataloged in the Federal Logistics Information System under NSN 2940-00-911-5203. 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.
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Last verified: September 2026