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Technical Data Sheet
PartsTable / COMPONENT / 202104
202104 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: PLASTIC CAP, body_style: THREADED BUSHING MOUNTED, body_length: 0.640 INCHES NOMINAL IN, design_type: SPUR FIRST GEAR, construction: WELDED, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-020-2786, 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
202104
NSN: 4820-00-020-2786
FSC: 4820
CAGE: 06178 — ALTEC AIR, LLC DBA ALTEC LLC (USA)
SPECIFICATIONS
materialPLASTIC CAP
body_styleTHREADED BUSHING MOUNTED
body_length0.640 INCHES NOMINAL IN
design_typeSPUR FIRST GEAR
constructionWELDED
thread_class2A A
terminal_typeTAB, SOLDER LUG
overall_length1.000 INCHES NOMINAL IN
connection_styleFLARE (TUBE) ALL ENDS
overall_diameter0.438 INCHES NOMINAL IN
special_featuresCARTRIDGE TYPE
style_designatorSTRAIGHT THRU
NSN4820-00-020-2786
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 202104 · 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
•
FLOW CONTROL DEVICE: DISK
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
THREAD SERIES DESIGNATOR: UN ALL ENDS
•
MATERIAL: ALUMINUM ALLOY BODY
•
NOMINAL THREAD SIZE: 0.313 INCHES ALL ENDS IN
•
THREAD QUANTITY PER INCH: 20 ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.125 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
MATERIALALUMINUM ALLOY BODY
NOMINAL THREAD SIZE0.313 INCHES ALL ENDS IN
THREAD QUANTITY PER INCH20 ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS2B ALL ENDS
CONNECTION STYLEFLARE (TUBE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
202104Interchangeable
interchangeable cross-reference
interchangeable
202Interchangeable
interchangeable cross-reference
interchangeable
105-522-19Interchangeable
interchangeable cross-reference
interchangeable
2252Interchangeable
interchangeable cross-reference
interchangeable
03700Interchangeable
interchangeable cross-reference
interchangeable
333Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 202104?
202104 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 202104?
There are 6 known substitutes for 202104: 202104, 202, 105-522-19 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 202104?
202104 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-020-2786. 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