8031-38-571-4822 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

8031-38-571-4822: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.500 INCHES NOMINAL IN, special_features: OCTAGON OR LUG SOCKET ACCEPTABLE FOR REMOVABLE SEAT RING, style_designator: PLAIN THREADED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-507-7391, 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

8031-38-571-4822

NSN: 4820-01-507-7391
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY OVERALL
thread_class	3A SINGLE THREADED PORTION A
thread_length	0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height	0.500 INCHES NOMINAL IN
special_features	OCTAGON OR LUG SOCKET ACCEPTABLE FOR REMOVABLE SEAT RING
style_designator	PLAIN THREADED
nominal_thread_size	2.625 INCHES SINGLE THREADED PORTION IN
body_inside_diameter	2.080 INCHES MINIMUM AND 2.084 INCHES MAXIMUM IN
seating_surface_shape	FLAT
thread_quantity_per_inch	16 SINGLE THREADED PORTION
thread_series_designator	UN SINGLE THREADED PORTION
part_name_assigned_by_controlling_agency	RING, SEAT
NSN	4820-01-507-7391

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: PLAIN THREADED

•

BODY INSIDE DIAMETER: 2.080 INCHES MINIMUM AND 2.084 INCHES MAXIMUM IN

•

NOMINAL THREAD SIZE: 2.625 INCHES SINGLE THREADED PORTION IN

•

THREAD CLASS: 3A SINGLE THREADED PORTION A

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.500 INCHES NOMINAL IN
THREAD LENGTH	0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	PLAIN THREADED
BODY INSIDE DIAMETER	2.080 INCHES MINIMUM AND 2.084 INCHES MAXIMUM IN
NOMINAL THREAD SIZE	2.625 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURES	OCTAGON OR LUG SOCKET ACCEPTABLE FOR REMOVABLE SEAT RING
PART NAME ASSIGNED BY CONTROLLING AGENCY	RING, SEAT
THREAD CLASS	3A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH	16 SINGLE THREADED PORTION
MATERIAL	NICKEL ALLOY OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

1385714Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

803-1385714 PC NO 6Reference document

Same NSN cross-reference

Reference document — Secondary reference

803-1385714-8-06Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8031-38-571-4822?

8031-38-571-4822 is a SEAT,VALVE.

What parts can replace 8031-38-571-4822?

There are 3 known substitutes for 8031-38-571-4822: 1385714, 803-1385714 PC NO 6, 803-1385714-8-06. Substitute compatibility should be verified for your specific system.

What is the NSN for 8031-38-571-4822?

8031-38-571-4822 is cataloged in the U.S. Government catalog under NSN 4820-01-507-7391. This indicates validated use in U.S. government and defense supply chains.

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8031-38-571-4822 — SEAT,VALVE

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