D209-10A — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D209-10A: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.420 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.575 INCHES NOMINAL IN, special_features: SETING SURFACE IS HEXAGON SHAPED 0.500 IN. FLAT TO FLAT IN, style_designator: THREADED FLANGED.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-097-1544, 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

D209-10A

NSN: 4820-00-097-1544
FSC: 4820 — Valves, Nonpowered
CAGE: 28193 — HENRY TECHNOLOGIES, INC. (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
thread_class	2A SINGLE THREADED PORTION A
thread_length	0.420 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	0.575 INCHES NOMINAL IN
special_features	SETING SURFACE IS HEXAGON SHAPED 0.500 IN. FLAT TO FLAT IN
style_designator	THREADED FLANGED
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.437 INCHES SINGLE THREADED PORTION IN
under_flange_height	0.420 INCHES NOMINAL IN
body_inside_diameter	0.210 INCHES NOMINAL IN
seating_surface_shape	FLAT
thread_series_designator	UNF SINGLE THREADED PORTION
NSN	4820-00-097-1544

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.155 INCHES NOMINAL IN

•

FLANGE DIAMETER: 0.575 INCHES NOMINAL IN

•

THREAD LENGTH: 0.420 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

BODY INSIDE DIAMETER: 0.210 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 0.437 INCHES SINGLE THREADED PORTION IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.155 INCHES NOMINAL IN
FLANGE DIAMETER	0.575 INCHES NOMINAL IN
THREAD LENGTH	0.420 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	THREADED FLANGED
BODY INSIDE DIAMETER	0.210 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.437 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURES	SETING SURFACE IS HEXAGON SHAPED 0.500 IN. FLAT TO FLAT IN
SURFACE TREATMENT	PASSIVATE OVERALL
UNDER FLANGE HEIGHT	0.420 INCHES NOMINAL IN
THREAD CLASS	2A SINGLE THREADED PORTION A

SUBSTITUTES & CROSS-REFERENCES 4

SK5056-NReference document

Same NSN cross-reference

Reference document — Drawing number reference only

SK5056-N PIECE 13 .50INReference document

Same NSN cross-reference

Reference document — Secondary reference

8-061-035Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

D209-10Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is D209-10A?

D209-10A is a SEAT,VALVE.

What parts can replace D209-10A?

There are 4 known substitutes for D209-10A: SK5056-N, SK5056-N PIECE 13 .50IN, 8-061-035 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for D209-10A?

D209-10A is cataloged in the U.S. Government catalog under NSN 4820-00-097-1544. This indicates validated use in U.S. government and defense supply chains.

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