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A7921-003 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DISK ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-911-6273, 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
A7921-003
NSN: 4820-00-911-6273
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY
NSN4820-00-911-6273
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7921-003 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A5011InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-D-502408InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
398590InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9641InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4200BRInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CCL/R63/2 REVISION ITEM 42CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7921-003?
A7921-003 is a DISK ASSEMBLY,VALVE.
What parts can replace A7921-003?
There are 13 known substitutes for A7921-003: A5011, SM-D-502408, 398590 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A7921-003?
A7921-003 is cataloged in the Federal Logistics Information System under NSN 4820-00-911-6273. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026