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LF531 — Technical Data Sheet

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— · 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

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, tube_type: TRIODE, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, body_width: 2.000 INCHES NOMINAL IN, seal_width: 0.250 INCHES NOMINAL IN, shell_type: SOLID. This part is cataloged in the Federal Logistics Information System under NSN 2940-00-029-0388, 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
LF531
NSN: 2940-00-029-0388
FSC: 2940
CAGE: 74069 — HASTINGS MANUFACTURING CO DIV HASTINGS MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
tube_typeTRIODE
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
body_width2.000 INCHES NOMINAL IN
seal_width0.250 INCHES NOMINAL IN
shell_typeSOLID
body_height0.400 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
constructionSOLID
thread_class2A A
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length0.640 INCHES NOMINAL IN
NSN2940-00-029-0388
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN LF531 MFR FILTER ELEMENT,FLUID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 38
D304104-29InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B-76-OHInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5900665InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
30302InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1791InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
51791InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LF531?
LF531 is a FILTER ELEMENT,FLUID.
What parts can replace LF531?
There are 38 known substitutes for LF531: D304104-29, B-76-OH, 5900665 and 35 more. Substitute compatibility should be verified for your specific system.
Is LF531 still available?
LF531 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: September 2026