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Technical Data Sheet
PartsTable / COMPONENT / 21261-2
21261-2 ✓ Verified by PartsTable
— · 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 BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include end_item_identification: 2330-01-483-8000. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-429-8387, 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
21261-2
NSN: 4820-01-429-8387
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
end_item_identification2330-01-483-8000
NSN4820-01-429-8387
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21261-2 · 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
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
SPECIAL FEATURESUSED ON PILOT OPERATED CHECK VALVE;PRESSURE RATING:3000.0 LB.MIN,3300.0 LB MAX PSI LBS
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
31730Interchangeable
interchangeable cross-reference
interchangeable
31730-1Interchangeable
interchangeable cross-reference
interchangeable
E13789Interchangeable
interchangeable cross-reference
interchangeable
11-30Interchangeable
interchangeable cross-reference
interchangeable
21261Interchangeable
interchangeable cross-reference
interchangeable
8501460Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21261-2?
21261-2 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 21261-2?
There are 22 known substitutes for 21261-2: 31730, 31730-1, E13789 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21261-2?
21261-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-429-8387. 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: July 2026