B343B — HEAD,FLUID FILTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B343B: HEAD,FLUID FILTER.

The HEAD,FLUID FILTER is a the manufacturer industrial component. Key specifications include valve: NOT INCLUDED, usage_design: DIRECT INTEGRAL CAVITY MOUNTING, filter_element: INCLUDED, overall_height: 2.875 INCHES NOMINAL IN, outlet_port_type: THREADED EXTERNAL, overall_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2940-00-374-2881, 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

B343B

NSN: 2940-00-374-2881
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 24123 — GAST MFG CORP (USA)

SPECIFICATIONS

valve	NOT INCLUDED
usage_design	DIRECT INTEGRAL CAVITY MOUNTING
filter_element	INCLUDED
overall_height	2.875 INCHES NOMINAL IN
outlet_port_type	THREADED EXTERNAL
overall_diameter	1.250 INCHES NOMINAL IN
mounting_bolt_hole	NOT PROVIDED
outlet_thread_class	2A A
outlet_thread_direction	RIGHT-HAND
filtering_material_design	LOOSE PACKED
outlet_nominal_thread_size	0.250 INCHES IN
outlet_thread_series_designator	NPSM
NSN	2940-00-374-2881

COMPONENT DIAGRAM

KEY FEATURES

•

ABSOLUTE FILTRATION RATING IN MICRONS: 50.0

•

USAGE DESIGN: DIRECT INTEGRAL CAVITY MOUNTING

•

FILTERING MATERIAL DESIGN: LOOSE PACKED

•

OUTLET THREAD CLASS: 2A A

•

OVERALL DIAMETER: 1.250 INCHES NOMINAL IN

•

OUTLET PORT TYPE: THREADED EXTERNAL

•

OUTLET THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	2.875 INCHES NOMINAL IN
ABSOLUTE FILTRATION RATING IN MICRONS	50.0
USAGE DESIGN	DIRECT INTEGRAL CAVITY MOUNTING
FILTERING MATERIAL DESIGN	LOOSE PACKED
OUTLET THREAD CLASS	2A A
OVERALL DIAMETER	1.250 INCHES NOMINAL IN
OUTLET PORT TYPE	THREADED EXTERNAL
OUTLET THREAD DIRECTION	RIGHT-HAND
OUTLET THREAD SERIES DESIGNATOR	NPSM
MOUNTING BOLT HOLE	NOT PROVIDED

OTHER ITEMS IN FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2940-00-238-5551 2940-00-354-6471 2940-00-356-0884 2940-00-445-0685

SUBSTITUTES & CROSS-REFERENCES 3

B343B1-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C5110800-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

C5110800Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B343B?

B343B is a HEAD,FLUID FILTER.

What parts can replace B343B?

There are 3 known substitutes for B343B: B343B1-4, C5110800-1, C5110800. Substitute compatibility should be verified for your specific system.

What is the NSN for B343B?

B343B is cataloged in the U.S. Government catalog under NSN 2940-00-374-2881. This indicates validated use in U.S. government and defense supply chains.

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