056420 ITEM 20 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

056420 ITEM 20: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.578 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 4.994 INCHES MINIMUM AND 4.996 INCHES MAXIMUM IN, style_designator: FAUCET, nominal_thread_size: 5.000 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-168-8076, 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

056420 ITEM 20

NSN: 4820-01-168-8076
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 416 OVERALL
thread_class	3A SINGLE THREADED PORTION A
thread_length	0.578 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height	4.994 INCHES MINIMUM AND 4.996 INCHES MAXIMUM IN
style_designator	FAUCET
nominal_thread_size	5.000 INCHES SINGLE THREADED PORTION IN
body_inside_diameter	4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN
seating_surface_shape	FLAT
thread_series_designator	UNF SINGLE THREADED PORTION
material_document_and_classification	ASTM A473 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	4820-01-168-8076

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.578 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: FAUCET

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A473 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

BODY INSIDE DIAMETER: 4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN

•

NOMINAL THREAD SIZE: 5.000 INCHES SINGLE THREADED PORTION IN

•

THREAD CLASS: 3A SINGLE THREADED PORTION A

•

MATERIAL: STEEL COMP 416 OVERALL

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	4.994 INCHES MINIMUM AND 4.996 INCHES MAXIMUM IN
THREAD LENGTH	0.578 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	FAUCET
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A473 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER	4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM IN
NOMINAL THREAD SIZE	5.000 INCHES SINGLE THREADED PORTION IN
THREAD CLASS	3A SINGLE THREADED PORTION A
MATERIAL	STEEL COMP 416 OVERALL
THREAD SERIES DESIGNATOR	UNF SINGLE THREADED PORTION
SEATING SURFACE SHAPE	FLAT

SUBSTITUTES & CROSS-REFERENCES 2

107992Reference document

Same NSN cross-reference

Reference document — Secondary reference

056420Reference 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 056420 ITEM 20?

056420 ITEM 20 is a SEAT,VALVE.

What parts can replace 056420 ITEM 20?

There are 2 known substitutes for 056420 ITEM 20: 107992, 056420. Substitute compatibility should be verified for your specific system.

What is the NSN for 056420 ITEM 20?

056420 ITEM 20 is cataloged in the U.S. Government catalog under NSN 4820-01-168-8076. This indicates validated use in U.S. government and defense supply chains.

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056420 ITEM 20 — SEAT,VALVE

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