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PartsTable / COMPONENT / PMA-21
PMA-21 ✓ 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

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: PAPER FILTERING MEDIUM, design_type: NONREUSABLE, body_diameter: 6.375 INCHES NOMINAL IN, special_features: GRUMMAN AEROSPACE AIRCRAFT MODEL A10, style_designator: CYLINDRICAL W/CLOSED ENDS, body_overall_length: 3.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-910-1414, 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
PMA-21
NSN: 2940-00-910-1414
FSC: 2940
CAGE: 56367 — PARMA INDUSTRIES INC (USA)
SPECIFICATIONS
materialPAPER FILTERING MEDIUM
design_typeNONREUSABLE
body_diameter6.375 INCHES NOMINAL IN
special_featuresGRUMMAN AEROSPACE AIRCRAFT MODEL A10
style_designatorCYLINDRICAL W/CLOSED ENDS
body_overall_length3.000 INCHES NOMINAL IN
body_inside_diameter5.750 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
NSN2940-00-910-1414
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN PMA-21 MFR FILTER ELEMENT,INTAKE
KEY FEATURES
•
STYLE DESIGNATOR: CYLINDRICAL W/CLOSED ENDS
•
BODY INSIDE DIAMETER: 5.750 INCHES NOMINAL IN
•
DESIGN TYPE: NONREUSABLE
•
BODY DIAMETER: 6.375 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 3.000 INCHES NOMINAL IN
•
MATERIAL: PAPER FILTERING MEDIUM
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCYLINDRICAL W/CLOSED ENDS
SPECIAL FEATURESGRUMMAN AEROSPACE AIRCRAFT MODEL A10
BODY INSIDE DIAMETER5.750 INCHES NOMINAL IN
DESIGN TYPENONREUSABLE
BODY DIAMETER6.375 INCHES NOMINAL IN
BODY OVERALL LENGTH3.000 INCHES NOMINAL IN
MATERIALPAPER FILTERING MEDIUM
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
42-110Interchangeable
interchangeable cross-reference
interchangeable
9487375Interchangeable
interchangeable cross-reference
interchangeable
100R1 TYAT-10Interchangeable
interchangeable cross-reference
interchangeable
5-8 421Interchangeable
interchangeable cross-reference
interchangeable
3007677Interchangeable
interchangeable cross-reference
interchangeable
Q24970Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PMA-21?
PMA-21 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace PMA-21?
There are 22 known substitutes for PMA-21: 42-110, 9487375, 100R1 TYAT-10 and 19 more. Substitute compatibility should be verified for your specific system.
Is PMA-21 still available?
PMA-21 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