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PartsTable / COMPONENT / 21820-1002-1
21820-1002-1 ✓ 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 BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, special_features: VALVE HYD CNT, valve_design_control_activity: 78602, valve_type_for_which_designed: PLUG, material_document_and_classification: ASTM-A582 NATIONAL SPEC 2ND MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-480-8754, 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
21820-1002-1
NSN: 4810-01-480-8754
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
special_featuresVALVE HYD CNT
valve_design_control_activity78602
valve_type_for_which_designedPLUG
material_document_and_classificationASTM-A582 NATIONAL SPEC 2ND MATERIAL RESPONSE
NSN4810-01-480-8754
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21820-1002-1 · 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
•
VALVE DESIGN CONTROL ACTIVITY: 78602
•
MATERIAL: STEEL COMP 416
•
VALVE TYPE FOR WHICH DESIGNED: PLUG
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A582 NATIONAL SPEC 2ND MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
VALVE DESIGN CONTROL ACTIVITY78602
SPECIAL FEATURESVALVE HYD CNT
MATERIALSTEEL COMP 416
VALVE TYPE FOR WHICH DESIGNEDPLUG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A582 NATIONAL SPEC 2ND MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2-1820Interchangeable
interchangeable cross-reference
interchangeable
22108101Interchangeable
interchangeable cross-reference
interchangeable
AN345B1Interchangeable
interchangeable cross-reference
interchangeable
FC3511Interchangeable
interchangeable cross-reference
interchangeable
L14883Interchangeable
interchangeable cross-reference
interchangeable
21820Q5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21820-1002-1?
21820-1002-1 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 21820-1002-1?
There are 7 known substitutes for 21820-1002-1: 2-1820, 22108101, AN345B1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21820-1002-1?
21820-1002-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-480-8754. 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