D21001M — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D21001M: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 482 OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.750 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 1.500 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-127-5149, 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

D21001M

NSN: 4820-01-127-5149
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)

SPECIFICATIONS

material	COPPER ALLOY 482 OVERALL
thread_class	2A SINGLE THREADED PORTION A
thread_length	0.219 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	1.750 INCHES NOMINAL IN
style_designator	THREADED FLANGED
nominal_thread_size	1.500 INCHES SINGLE THREADED PORTION IN
under_flange_height	0.375 INCHES NOMINAL IN
body_inside_diameter	1.000 INCHES NOMINAL IN
seating_surface_shape	FLAT
thread_quantity_per_inch	14 SINGLE THREADED PORTION
thread_series_designator	UNS SINGLE THREADED PORTION
flange_seat_to_disk_end_height	0.375 INCHES NOMINAL IN
NSN	4820-01-127-5149

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.375 INCHES NOMINAL IN

•

FLANGE DIAMETER: 1.750 INCHES NOMINAL IN

•

THREAD LENGTH: 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 1.500 INCHES SINGLE THREADED PORTION IN

•

UNDER FLANGE HEIGHT: 0.375 INCHES NOMINAL IN

•

THREAD CLASS: 2A SINGLE THREADED PORTION A

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.375 INCHES NOMINAL IN
FLANGE DIAMETER	1.750 INCHES NOMINAL IN
THREAD LENGTH	0.219 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	THREADED FLANGED
BODY INSIDE DIAMETER	1.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE	1.500 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT	0.375 INCHES NOMINAL IN
THREAD CLASS	2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH	14 SINGLE THREADED PORTION
MATERIAL	COPPER ALLOY 482 OVERALL

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 4

3245253 PIECE7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AA38679Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

D21001MBFReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

3245253Reference 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 D21001M?

D21001M is a SEAT,VALVE.

What parts can replace D21001M?

There are 4 known substitutes for D21001M: 3245253 PIECE7, AA38679, D21001MBF and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for D21001M?

D21001M is cataloged in the U.S. Government catalog under NSN 4820-01-127-5149. This indicates validated use in U.S. government and defense supply chains.

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