P21S — FILTER ELEMENT,FLUID

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

P21S: FILTER ELEMENT,FLUID.

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 U.S.

Government catalog 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 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 70040 — GENERAL MOTORS LLC DBA GENERAL MOTORS (USA)

SPECIFICATIONS

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
body_overall_length	5.875 INCHES NOMINAL IN
nominal_thread_size	0.125 INCHES IN
fsc_application_data	ENGINE,NONAIRCRAFT
filtering_media_design	PLEATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designed	FUEL/OIL, HYDROCARBON
thread_series_designator	NPT
NSN	2940-00-505-6716

COMPONENT DIAGRAM

KEY FEATURES

•

FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE

•

BODY DIAMETER: 4.781 INCHES NOMINAL IN

•

FSC APPLICATION DATA: ENGINE,NONAIRCRAFT

•

BODY OVERALL LENGTH: 5.875 INCHES NOMINAL IN

•

FLOW DIRECTION: OUTSIDE IN

•

DESIGN TYPE: NONREUSABLE

•

STYLE DESIGNATOR: CYLINDRICAL W/ INTEGRAL OUTER CASING

•

FEATURES PROVIDED: BY-PASS VALVE

TECHNICAL CHARACTERISTICS

FILTERING MEDIA DESIGN	PLEATED SINGLE FILTERING MEDIA RESPONSE
BODY DIAMETER	4.781 INCHES NOMINAL IN
FSC APPLICATION DATA	ENGINE,NONAIRCRAFT
BODY OVERALL LENGTH	5.875 INCHES NOMINAL IN
FLOW DIRECTION	OUTSIDE IN
DESIGN TYPE	NONREUSABLE
STYLE DESIGNATOR	CYLINDRICAL W/ INTEGRAL OUTER CASING
FEATURES PROVIDED	BY-PASS VALVE
NOMINAL THREAD SIZE	0.125 INCHES IN
MEDIA FOR WHICH DESIGNED	FUEL/OIL, HYDROCARBON

SUBSTITUTES & CROSS-REFERENCES 7

P21Reference document

Same NSN cross-reference

Reference document — Secondary reference

7378158Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

CH861028Reference document

Same NSN cross-reference

Reference document — Secondary reference

GP18658Reference document

Same NSN cross-reference

Reference document — Secondary reference

637177Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

861028Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is P21S?

P21S is a FILTER ELEMENT,FLUID.

What parts can replace P21S?

There are 7 known substitutes for P21S: P21, 7378158, CH861028 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for P21S?

P21S is cataloged in the U.S. Government catalog under NSN 2940-00-505-6716. This indicates validated use in U.S. government and defense supply chains.

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