EFS-1/2-Z — VALVE,EXPANSION

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

EFS-1/2-Z: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS, bulb_length: 3.000 INCHES NOMINAL IN, bulb_diameter: 0.500 INCHES NOMINAL IN, capillary_tube_length: 30.000 INCHES NOMINAL IN, end_item_identification: NAVY WEAPON SYSTEM CODE JS,WHIDBEY ISLAND CLASS LSD. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-434-3397, 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

EFS-1/2-Z

NSN: 4820-01-434-3397
FSC: 4820 — Valves, Nonpowered
CAGE: 78462 — PARKER-HANNIFIN CORP DIV SPORLAN DIVISION (USA)

SPECIFICATIONS

material	COPPER ALLOY BODY
body_style	STRAIGHT THRU GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
bulb_length	3.000 INCHES NOMINAL IN
bulb_diameter	0.500 INCHES NOMINAL IN
capillary_tube_length	30.000 INCHES NOMINAL IN
end_connection_quantity	2
end_item_identification	NAVY WEAPON SYSTEM CODE JS,WHIDBEY ISLAND CLASS LSD
media_for_which_designed	REFRIGERANT
valve_equalizer_location	EXTERNAL
first_end_connection_type	THREADED EXTERNAL TUBE
first_end_style_designator	FLARED
second_end_connection_type	THREADED EXTERNAL TUBE
NSN	4820-01-434-3397

COMPONENT DIAGRAM

KEY FEATURES

•

VALVE EQUALIZER LOCATION: EXTERNAL

•

SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL

•

BODY STYLE: STRAIGHT THRU GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS

•

FIRST END STYLE DESIGNATOR: FLARED

•

BULB LENGTH: 3.000 INCHES NOMINAL IN

•

BULB DIAMETER: 0.500 INCHES NOMINAL IN

•

VALVE EQUALIZER CONNECTION DIAMETER: 0.250 INCHES NOMINAL IN

•

REFRIGERATION CAPACITY IN BTU PER HOUR: 6.0

TECHNICAL CHARACTERISTICS

VALVE EQUALIZER LOCATION	EXTERNAL
SECOND END RELATIONSHIP WITH FIRST END	NOT IDENTICAL
BODY STYLE	STRAIGHT THRU GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST END STYLE DESIGNATOR	FLARED
BULB LENGTH	3.000 INCHES NOMINAL IN
BULB DIAMETER	0.500 INCHES NOMINAL IN
VALVE EQUALIZER CONNECTION DIAMETER	0.250 INCHES NOMINAL IN
REFRIGERATION CAPACITY IN BTU PER HOUR	6.0
END CONNECTION QUANTITY	2
CAPILLARY TUBE LENGTH	30.000 INCHES NOMINAL IN

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

FS-1/2-ZReference document

Same NSN cross-reference

Reference document — Secondary reference

M300243Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FS-1/2-Z-1/4X1/2SAEX30.0INReference document

Same NSN cross-reference

Reference document — Secondary 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 EFS-1/2-Z?

EFS-1/2-Z is a VALVE,EXPANSION.

What parts can replace EFS-1/2-Z?

There are 3 known substitutes for EFS-1/2-Z: FS-1/2-Z, M300243, FS-1/2-Z-1/4X1/2SAEX30.0IN. Substitute compatibility should be verified for your specific system.

What is the NSN for EFS-1/2-Z?

EFS-1/2-Z is cataloged in the U.S. Government catalog under NSN 4820-01-434-3397. This indicates validated use in U.S. government and defense supply chains.

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