21851N PC 21 — VALVE,DIAPHRAGM,STOP

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

21851N PC 21: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 11.750 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: NOT INCLUDED, outside_diameter: 5.240 INCHES NOMINAL IN, style_designator: PLAIN, SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-446-5847, 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

21851N PC 21

NSN: 4820-01-446-5847
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)

SPECIFICATIONS

material	NICKEL ALLOY
overall_length	11.750 INCHES NOMINAL IN
bore_counterbore	NOT INCLUDED
bore_countersink	NOT INCLUDED
outside_diameter	5.240 INCHES NOMINAL IN
style_designator	PLAIN, SHOULDERED
features_provided	GROOVED AND LOWER STEM
bb_end_shank_diameter	2.125 INCHES NOMINAL IN
major_diameter_length	2.000 INCHES NOMINAL IN
end_item_identification	NIMITZ CLASS CVN
stem_actuating_end_type	THREADED EXTERNALLY
largest_outside_diameter	0.500 INCHES NOMINAL IN
NSN	4820-01-446-5847

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 2

62629-00-58Reference document

Same NSN cross-reference

Reference document — Secondary reference

21851NReference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 21851N PC 21?

21851N PC 21 is a VALVE,DIAPHRAGM,STOP.

What parts can replace 21851N PC 21?

There are 2 known substitutes for 21851N PC 21: 62629-00-58, 21851N. Substitute compatibility should be verified for your specific system.

What is the NSN for 21851N PC 21?

21851N PC 21 is cataloged in the U.S. Government catalog under NSN 4820-01-446-5847. This indicates validated use in U.S. government and defense supply chains.

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