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8B121 — FILTER,RADIO FREQUENCY INTERFERE

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

8B121: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include body_length: 7.500 INCHES MINIMUM AND 7.625 INCHES MAXIMUM IN, body_material: METAL, inclosure_type: ENCAPSULATED, overall_length: 9.499 INCHES NOMINAL IN, style_designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES, nominal_thread_size: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-362-8154, 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→ 8B121
NSN: 5330-00-362-8154
NIINs: 003628154, 008350769
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
body_length7.500 INCHES MINIMUM AND 7.625 INCHES MAXIMUM IN
body_materialMETAL
inclosure_typeENCAPSULATED
overall_length9.499 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size1.000 INCHES IN
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
body_outside_diameter2.000 INCHES NOMINAL IN
load_impedance_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
source_impedance_rating_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 THREADED STUD OUTPUT SECOND FUNCTION
NSN5330-00-362-8154
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8B121 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8B121?
8B121 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 8B121?
8B121 is cataloged in the U.S. Government catalog under NSN 5330-00-362-8154. This indicates validated use in U.S. government and defense supply chains.
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