280977-0004 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

280977-0004: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 FLOW CONTROL DEVICE, temp_rating: 165.0 FAHRENHEIT MAXIMUM DEGF, flow_control_device: POPPET, valve_loading_method: SPRING, end_item_identification: AUTO VALVE, media_for_which_designed: AIR OR GAS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-341-4271, 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

280977-0004

NSN: 4820-01-341-4271
FSC: 4820 — Valves, Nonpowered
CAGE: 99657 — MAROTTA CONTROLS INC (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 FLOW CONTROL DEVICE
temp_rating	165.0 FAHRENHEIT MAXIMUM DEGF
flow_control_device	POPPET
valve_loading_method	SPRING
end_connection_quantity	2
end_item_identification	AUTO VALVE
media_for_which_designed	AIR OR GAS
first_end_connection_type	UNTHREADED INTERNAL PIPE
first_end_style_designator	SOCKET
criticality_code_justification	ZZZY
second_end_relationship_with_first_end	NOT IDENTICAL
second_end_nominal_pipe_size_accommodated	0.250 INCHES IN
NSN	4820-01-341-4271

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL

•

FIRST END STYLE DESIGNATOR: SOCKET

•

TEMP RATING: 165.0 FAHRENHEIT MAXIMUM DEGF

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

SECOND END NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES IN

•

END CONNECTION QUANTITY: 2

•

VALVE LOADING METHOD: SPRING

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
SECOND END RELATIONSHIP WITH FIRST END	NOT IDENTICAL
FIRST END STYLE DESIGNATOR	SOCKET
TEMP RATING	165.0 FAHRENHEIT MAXIMUM DEGF
CRITICALITY CODE JUSTIFICATION	ZZZY
SECOND END NOMINAL PIPE SIZE ACCOMMODATED	0.250 INCHES IN
END CONNECTION QUANTITY	2
VALVE LOADING METHOD	SPRING
FIRST END CONNECTION TYPE	UNTHREADED INTERNAL PIPE
END ITEM IDENTIFICATION	AUTO VALVE

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 3

280977-0006L1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

280977-0004L1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

280977-0006Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 280977-0004?

280977-0004 is a VALVE,REGULATING,FLUID PRESSURE.

What parts can replace 280977-0004?

There are 3 known substitutes for 280977-0004: 280977-0006L1, 280977-0004L1, 280977-0006. Substitute compatibility should be verified for your specific system.

What is the NSN for 280977-0004?

280977-0004 is cataloged in the U.S. Government catalog under NSN 4820-01-341-4271. This indicates validated use in U.S. government and defense supply chains.

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280977-0004 — VALVE,REGULATING,FLUID PRESSURE

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