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Technical Data Sheet
PartsTable / MRO / A1973
A1973 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: CORK AND RUBBER OVERALL, design_type: NONREUSABLE, temp_rating: 160.0 FAHRENHEIT MAXIMUM DEGF, barrel_style: FUNNEL FLANGE STRAIGHT TYPE, flange_style: FLANGE, body_diameter: 4.219 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4330-00-900-9448, 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→ A1973
NSN: 4330-00-900-9448
FSC: 4330
CAGE: 53964 — KAYDON CUSTOM FILTRATION CORPORATION (USA)
SPECIFICATIONS
materialCORK AND RUBBER OVERALL
design_typeNONREUSABLE
temp_rating160.0 FAHRENHEIT MAXIMUM DEGF
barrel_styleFUNNEL FLANGE STRAIGHT TYPE
flange_styleFLANGE
body_diameter4.219 INCHES NOMINAL IN
drop_pressureERR-060
hole_diameter0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width7.688 INCHES NOMINAL IN
flow_directionINSIDE OUT
inclosure_typeENCASED
overall_length1.212 INCHES MAXIMUM IN
NSN4330-00-900-9448
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN A1973 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
FLOW DIRECTION: INSIDE OUT
•
FILTRATION RATING IN MICRONS: 1.0 NOMINAL
•
BODY DIAMETER: 4.219 INCHES NOMINAL IN
•
DROP PRESSURE: ERR-060
•
FILTERING MEDIA DESIGN: LOOSE PACKED SINGLE FILTERING MEDIA RESPONSE
•
DESIGN TYPE: NONREUSABLE
•
BODY OVERALL LENGTH: 33.000 INCHES NOMINAL IN
•
FEATURES PROVIDED: BY-PASS VALVE
TECHNICAL CHARACTERISTICS (FLIS)
FLOW DIRECTIONINSIDE OUT
FILTRATION RATING IN MICRONS1.0 NOMINAL
BODY DIAMETER4.219 INCHES NOMINAL IN
DROP PRESSUREERR-060
FILTERING MEDIA DESIGNLOOSE PACKED SINGLE FILTERING MEDIA RESPONSE
DESIGN TYPENONREUSABLE
BODY OVERALL LENGTH33.000 INCHES NOMINAL IN
FEATURES PROVIDEDBY-PASS VALVE
TEMP RATING160.0 FAHRENHEIT MAXIMUM DEGF
NOMINAL THREAD SIZE1.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6003-88Interchangeable
interchangeable cross-reference
interchangeable
03274Interchangeable
interchangeable cross-reference
interchangeable
3274Interchangeable
interchangeable cross-reference
interchangeable
A1973Interchangeable
interchangeable cross-reference
interchangeable
950248-26Interchangeable
interchangeable cross-reference
interchangeable
C-6193 INDEX 15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1973?
A1973 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A1973?
There are 12 known substitutes for A1973: 6003-88, 03274, 3274 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1973?
A1973 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4330-00-900-9448. 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