D21908PC — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D21908PC: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.375 INCHES NOMINAL IN, special_features: 4 LUGS 0.240 W,0.188 DEEP EQUALLY SPACED ON FLANGE END W, style_designator: THREADED FLANGED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-036-0696, 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

D21908PC

NSN: 4820-00-036-0696
FSC: 4820 — Valves, Nonpowered
CAGE: 23168 — HAMMEL DAHL INC (USA)

SPECIFICATIONS

material	STEEL BODY
thread_class	2A SINGLE THREADED PORTION A
thread_length	0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	1.375 INCHES NOMINAL IN
special_features	4 LUGS 0.240 W,0.188 DEEP EQUALLY SPACED ON FLANGE END W
style_designator	THREADED FLANGED
seat_angle_in_deg	42.000 NOMINAL
nominal_thread_size	1.125 INCHES SINGLE THREADED PORTION IN
under_flange_height	0.375 INCHES NOMINAL IN
body_inside_diameter	0.754 INCHES NOMINAL IN
seating_surface_shape	ANGULAR
thread_quantity_per_inch	14 SINGLE THREADED PORTION
NSN	4820-00-036-0696

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.406 INCHES NOMINAL IN

•

FLANGE DIAMETER: 1.375 INCHES NOMINAL IN

•

THREAD LENGTH: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

BODY INSIDE DIAMETER: 0.754 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 1.125 INCHES SINGLE THREADED PORTION IN

•

UNDER FLANGE HEIGHT: 0.375 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.406 INCHES NOMINAL IN
FLANGE DIAMETER	1.375 INCHES NOMINAL IN
THREAD LENGTH	0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	THREADED FLANGED
BODY INSIDE DIAMETER	0.754 INCHES NOMINAL IN
NOMINAL THREAD SIZE	1.125 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURES	4 LUGS 0.240 W,0.188 DEEP EQUALLY SPACED ON FLANGE END W
UNDER FLANGE HEIGHT	0.375 INCHES NOMINAL IN
THREAD CLASS	2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH	14 SINGLE THREADED PORTION

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 1

D21908Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D21908PC?

D21908PC is a SEAT,VALVE.

What parts can replace D21908PC?

There is 1 known substitute for D21908PC: D21908. Substitute compatibility should be verified for your specific system.

What is the NSN for D21908PC?

D21908PC is cataloged in the U.S. Government catalog under NSN 4820-00-036-0696. This indicates validated use in U.S. government and defense supply chains.

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D21908PC — SEAT,VALVE

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