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2620-920X12 PIECE 41 — 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 RING,DISK,STEM,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRASS ASTM B-21. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-117-0973, 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
2620-920X12 PIECE 41
NSN: 4820-01-117-0973
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRASS ASTM B-21
NSN4820-01-117-0973
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2620-920X12 PIECE 41 · 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: BRASS ASTM B-21
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS ASTM B-21
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
845-2181282 PIECE 28 3 IN.InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1/2 CHRG50InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1/2 INCH 52100 GRADE 50InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C600-045-1250InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
845-2181282InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
26M77-100 PC MK73InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620-920X12 PIECE 41?
2620-920X12 PIECE 41 is a RING,DISK,STEM,VALVE.
What parts can replace 2620-920X12 PIECE 41?
There are 26 known substitutes for 2620-920X12 PIECE 41: 845-2181282 PIECE 28 3 IN., 1/2 CHRG50, 1/2 INCH 52100 GRADE 50 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2620-920X12 PIECE 41?
2620-920X12 PIECE 41 is cataloged in the Federal Logistics Information System under NSN 4820-01-117-0973. 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