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PartsTable / COMPONENT / P21S
P21S ✓ 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

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: PAPER FILTERING MEDIUM, design_type: NONREUSABLE, body_diameter: 4.781 INCHES NOMINAL IN, flow_direction: OUTSIDE IN, style_designator: CYLINDRICAL W/ INTEGRAL OUTER CASING, features_provided: BY-PASS VALVE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-505-6716, 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
P21S
NSN: 2940-00-505-6716
FSC: 2940
CAGE: 70040 — GENERAL MOTORS LLC DBA GENERAL MOTORS (USA)
SPECIFICATIONS
materialPAPER FILTERING MEDIUM
design_typeNONREUSABLE
body_diameter4.781 INCHES NOMINAL IN
flow_directionOUTSIDE IN
style_designatorCYLINDRICAL W/ INTEGRAL OUTER CASING
features_providedBY-PASS VALVE
body_overall_length5.875 INCHES NOMINAL IN
nominal_thread_size0.125 INCHES IN
fsc_application_dataENGINE,NONAIRCRAFT
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedFUEL/OIL, HYDROCARBON
thread_series_designatorNPT
NSN2940-00-505-6716
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN P21S MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
FEATURES PROVIDED: BY-PASS VALVE
•
BODY OVERALL LENGTH: 5.875 INCHES NOMINAL IN
•
DESIGN TYPE: NONREUSABLE
•
FLOW DIRECTION: OUTSIDE IN
•
FSC APPLICATION DATA: ENGINE,NONAIRCRAFT
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
•
BODY DIAMETER: 4.781 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.125 INCHES IN
FEATURES PROVIDEDBY-PASS VALVE
BODY OVERALL LENGTH5.875 INCHES NOMINAL IN
DESIGN TYPENONREUSABLE
FLOW DIRECTIONOUTSIDE IN
FSC APPLICATION DATAENGINE,NONAIRCRAFT
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
BODY DIAMETER4.781 INCHES NOMINAL IN
MATERIALPAPER FILTERING MEDIUM
THREAD SERIES DESIGNATORNPT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
P2-1Interchangeable
interchangeable cross-reference
interchangeable
510-0158-12561-152Interchangeable
interchangeable cross-reference
interchangeable
5T558Interchangeable
interchangeable cross-reference
interchangeable
218196Interchangeable
interchangeable cross-reference
interchangeable
NF58T96Interchangeable
interchangeable cross-reference
interchangeable
PER12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P21S?
P21S is a FILTER ELEMENT,FLUID.
What parts can replace P21S?
There are 23 known substitutes for P21S: P2-1, 510-0158-12561-152, 5T558 and 20 more. Substitute compatibility should be verified for your specific system.
Is P21S still available?
P21S is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026