DD-4639 ITEM-22 — CALIPER ASSEMBLY,DISC BRAKE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

DD-4639 ITEM-22: CALIPER ASSEMBLY,DISC BRAKE.

The CALIPER ASSEMBLY,DISC BRAKE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 BODY, flow_style: THREE-WAY THREE PORT 180 DEGREE PLUG TURN, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, nominal_thickness: 0.500 INCHES ALL ENDS IN, bolt_hole_quantity: 6 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-407-0987, 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

DD-4639 ITEM-22

NSN: 4820-01-407-0987
FSC: 4820 — Valves, Nonpowered
CAGE: 53424 — CUNICO CORPORATION (USA)

SPECIFICATIONS

material	COPPER ALLOY 922 BODY
flow_style	THREE-WAY THREE PORT 180 DEGREE PLUG TURN
flange_shape	ROUND ALL ENDS
connection_type	FLANGE ALL ENDS
special_features	4-BOLTS ON FLANGE CONNECTIONS HAVE 0.500 INCH -13 NC.CXCYG2.5 INCH,150LBS.WP,FRP2 VALVE ASSY.FLANGED,NAVY BRONZE,WITH GEAR OPERATOR. LBS
nominal_thickness	0.500 INCHES ALL ENDS IN
bolt_hole_quantity	6 ALL ENDS
flange_face_design	PLAIN ALL ENDS
operating_pressure	150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_method	MANUAL
end_item_identification	NIMITZ CLASS CVN
media_for_which_designed	WASTE PRODUCT SINGLE RESPONSE
NSN	4820-01-407-0987

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 3

DD-1714Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

DD-1714 ITEM 21Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

DD-1910 REF NO. 29Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is DD-4639 ITEM-22?

DD-4639 ITEM-22 is a CALIPER ASSEMBLY,DISC BRAKE.

What parts can replace DD-4639 ITEM-22?

There are 3 known substitutes for DD-4639 ITEM-22: DD-1714, DD-1714 ITEM 21, DD-1910 REF NO. 29. Substitute compatibility should be verified for your specific system.

What is the NSN for DD-4639 ITEM-22?

DD-4639 ITEM-22 is cataloged in the U.S. Government catalog under NSN 4820-01-407-0987. This indicates validated use in U.S. government and defense supply chains.

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DD-4639 ITEM-22 — CALIPER ASSEMBLY,DISC BRAKE

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