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FA — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

FA: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: RUBBER SILICONE CLASS Q, body_material: METAL, overall_width: 2.250 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 5.000 INCHES NOMINAL IN, overall_length: 6.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-180-9904, 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→ FA
NSN: 5331-00-180-9904
NIINs: 001809904, 009149961, 016581208
FSC: 5331 — O-ring
CAGE: 99098 — BACON INDUSTRIES, INC. (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
body_materialMETAL
overall_width2.250 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height5.000 INCHES NOMINAL IN
overall_length6.000 INCHES NOMINAL IN
center_hole_diameter1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
load_impedance_per_function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
source_impedance_rating_per_function50.0 OHMS 3RD RADIO INTERFERENCE THIRD FUNCTION
functional_terminal_type_and_quantity1 TAB, SOLDER LUG GROUND THIRD FUNCTION
NSN5331-00-180-9904
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FA MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 2
A913-226-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
913-226-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FA?
FA is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace FA?
There are 2 known substitutes for FA: A913-226-2, 913-226-2. Substitute compatibility should be verified for your specific system.
What is the NSN for FA?
FA is cataloged in the U.S. Government catalog under NSN 5331-00-180-9904. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.