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Technical Data Sheet
PartsTable / COMPONENT / 81531-001
81531-001 ✓ 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,RADIO FREQUENCY INTERFERE. Key specifications include filter: NOT INCLUDED, material: ZINC ALLOY UNS Z33520 OR ZINC ALLOY UNS Z35531 BODY, body_style: STRAIGHT THRU, body_length: 0.596 INCHES NOMINAL IN, temp_rating: 175.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-847-6803, 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
81531-001
NSN: 5935-00-847-6803
FSC: 5935
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialZINC ALLOY UNS Z33520 OR ZINC ALLOY UNS Z35531 BODY
body_styleSTRAIGHT THRU
body_length0.596 INCHES NOMINAL IN
temp_rating175.0 FAHRENHEIT MAXIMUM DEGF
thread_class2A A
terminal_typeTAB, SOLDER LUG
overall_length0.875 INCHES NOMINAL IN
furnished_itemsOUTLET PRESSURE GAGE
regulation_typeMANUAL SINGLE STAGE
overall_diameter0.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5935-00-847-6803
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 81531-001 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 BUSHING
•
IDENTIFICATION CODE COLOR: NATURAL
•
THREAD DIRECTION: RIGHT-HAND
•
MOUNTING BUSHING LENGTH: 0.281 INCHES NOMINAL IN
•
FINGER ACCOMMODATION DIAMETER: 0.080 INCHES NOMINAL SINGLE FINGER IN
•
TERMINAL TYPE: TAB, SOLDER LUG
•
THREAD SERIES DESIGNATOR: UNEF
•
ACCOMMODATED FINGER TYPE: TEST PROD SINGLE FINGER
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY1 BUSHING
IDENTIFICATION CODE COLORNATURAL
THREAD DIRECTIONRIGHT-HAND
MOUNTING BUSHING LENGTH0.281 INCHES NOMINAL IN
FINGER ACCOMMODATION DIAMETER0.080 INCHES NOMINAL SINGLE FINGER IN
TERMINAL TYPETAB, SOLDER LUG
THREAD SERIES DESIGNATORUNEF
ACCOMMODATED FINGER TYPETEST PROD SINGLE FINGER
MATERIALSTEEL TERMINAL
SURFACE TREATMENTCADMIUM SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
M13SCInterchangeable
interchangeable cross-reference
interchangeable
13101Interchangeable
interchangeable cross-reference
interchangeable
2001A008P40Interchangeable
interchangeable cross-reference
interchangeable
3-101 SIZE 1Interchangeable
interchangeable cross-reference
interchangeable
0331-0014Interchangeable
interchangeable cross-reference
interchangeable
01042081Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81531-001?
81531-001 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 81531-001?
There are 19 known substitutes for 81531-001: M13SC, 13101, 2001A008P40 and 16 more. Substitute compatibility should be verified for your specific system.
Is 81531-001 still available?
81531-001 is currently cancelled.
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Last verified: July 2026