21U840 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

21U840: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: ZINC BODY, body_style: STRAIGHT THRU, temp_rating: 120.0 FAHRENHEIT NOMINAL DEGF, furnished_items: OUTLET PRESSURE GAGE, regulation_type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-425-6560, 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

21U840

NSN: 4820-01-425-6560
FSC: 4820 — Valves, Nonpowered
CAGE: 0HWS0 — GRAINGER DIV OF W W GRAINGER INC (USA)

SPECIFICATIONS

filter	NOT INCLUDED
material	ZINC BODY
body_style	STRAIGHT THRU
temp_rating	120.0 FAHRENHEIT NOMINAL DEGF
furnished_items	OUTLET PRESSURE GAGE
regulation_type	1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
flow_control_device	DIAPHRAGM
valve_loading_method	SPRING
manual_control_method	TEE HANDLE
end_connection_quantity	2
end_item_identification	4920-01-082-1095
media_for_which_designed	AIR
NSN	4820-01-425-6560

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DIAPHRAGM

•

BODY STYLE: STRAIGHT THRU

•

REGULATION TYPE: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC

•

TEMP RATING: 120.0 FAHRENHEIT NOMINAL DEGF

•

END CONNECTION QUANTITY: 2

•

MANUAL CONTROL METHOD: TEE HANDLE

•

VALVE LOADING METHOD: SPRING

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DIAPHRAGM
BODY STYLE	STRAIGHT THRU
REGULATION TYPE	1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
TEMP RATING	120.0 FAHRENHEIT NOMINAL DEGF
END CONNECTION QUANTITY	2
MANUAL CONTROL METHOD	TEE HANDLE
VALVE LOADING METHOD	SPRING
END ITEM IDENTIFICATION	4920-01-082-1095
MATERIAL	ZINC BODY
MEDIA FOR WHICH DESIGNED	AIR

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 1

119-04CGReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 21U840?

21U840 is a VALVE,REGULATING,FLUID PRESSURE.

What parts can replace 21U840?

There is 1 known substitute for 21U840: 119-04CG. Substitute compatibility should be verified for your specific system.

What is the NSN for 21U840?

21U840 is cataloged in the U.S. Government catalog under NSN 4820-01-425-6560. This indicates validated use in U.S. government and defense supply chains.

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21U840 — VALVE,REGULATING,FLUID PRESSURE

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