B-4F4-40 — FILTER,FLUID

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B-4F4-40: FILTER,FLUID.

The FILTER,FLUID is a the manufacturer industrial component. Key specifications include design_type: REUSABLE, special_features: INLINE HYDRAULIC FLUID FILTER, end_item_identification: LIFT, AIRCRAFT ENGINE TRAILER, media_for_which_designed: FUEL/OIL, HYDROCARBON, first_intake_connection_type: THREADED INTERNAL PIPE LINE, first_intake_thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 1650-01-556-4384, 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

B-4F4-40

NSN: 1650-01-556-4384
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
CAGE: 18034 — NUPRO CO (USA)

SPECIFICATIONS

design_type	REUSABLE
special_features	INLINE HYDRAULIC FLUID FILTER
end_item_identification	LIFT, AIRCRAFT ENGINE TRAILER
media_for_which_designed	FUEL/OIL, HYDROCARBON
filtering_element_quantity	1
first_intake_connection_type	THREADED INTERNAL PIPE LINE
first_intake_thread_direction	RIGHT-HAND
first_intake_nominal_thread_size	0.250 INCHES IN
filtering_system_for_which_designed	FULL FLOW
first_intake_thread_series_designator	NPT
part_name_assigned_by_controlling_agency	F SERIES FILTER
first_discharge_connection_relationship_to_intake_connection	IDENTICAL TO FIRST INTAKE CONNECTION
NSN	1650-01-556-4384

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST INTAKE NOMINAL THREAD SIZE: 0.250 INCHES IN

•

FIRST INTAKE THREAD SERIES DESIGNATOR: NPT

•

DESIGN TYPE: REUSABLE

•

FIRST INTAKE THREAD DIRECTION: RIGHT-HAND

•

FIRST INTAKE CONNECTION TYPE: THREADED INTERNAL PIPE LINE

•

FILTERING ELEMENT QUANTITY: 1

•

FILTERING SYSTEM FOR WHICH DESIGNED: FULL FLOW

•

FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTION: IDENTICAL TO FIRST INTAKE CONNECTION

TECHNICAL CHARACTERISTICS

FIRST INTAKE NOMINAL THREAD SIZE	0.250 INCHES IN
FIRST INTAKE THREAD SERIES DESIGNATOR	NPT
DESIGN TYPE	REUSABLE
FIRST INTAKE THREAD DIRECTION	RIGHT-HAND
FIRST INTAKE CONNECTION TYPE	THREADED INTERNAL PIPE LINE
FILTERING ELEMENT QUANTITY	1
FILTERING SYSTEM FOR WHICH DESIGNED	FULL FLOW
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTION	IDENTICAL TO FIRST INTAKE CONNECTION
SPECIAL FEATURES	INLINE HYDRAULIC FLUID FILTER
MEDIA FOR WHICH DESIGNED	FUEL/OIL, HYDROCARBON

OTHER ITEMS IN FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components

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

1650-00-000-0127 1650-00-000-0128 1650-00-000-0130 1650-00-000-0131 1650-00-000-0151 1650-00-000-0152 1650-00-001-1732 1650-00-001-1734

SUBSTITUTES & CROSS-REFERENCES 1

8-4F4-40Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 B-4F4-40?

B-4F4-40 is a FILTER,FLUID.

What parts can replace B-4F4-40?

There is 1 known substitute for B-4F4-40: 8-4F4-40. Substitute compatibility should be verified for your specific system.

What is the NSN for B-4F4-40?

B-4F4-40 is cataloged in the U.S. Government catalog under NSN 1650-01-556-4384. This indicates validated use in U.S. government and defense supply chains.

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