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PartsTable / COMPONENT / 21106-001TR
21106-001TR ✓ 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

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include material: STEEL OVERALL, case_style: SHOULDERED, seal_width: 0.500 INCHES NOMINAL IN, test_media: SERUM OR URINE, bonnet_type: INSIDE SCREW, temp_rating: -65.0 CELSIUS AND 225.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-733-6384, 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
21106-001TR
NSN: 4820-01-733-6384
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
case_styleSHOULDERED
seal_width0.500 INCHES NOMINAL IN
test_mediaSERUM OR URINE
bonnet_typeINSIDE SCREW
temp_rating-65.0 CELSIUS AND 225.0 CELSIUS DEGC
thread_class3B FIRST END
usage_designFOR THE QUANTITATIVE DETERMINATION OF SODIUM,POTASSIUM AND CHLORIDE
body_materialALUMINUM ALLOY
largest_width0.312 INCHES SINGLE END IN
overall_width0.312 INCHES IN
overall_length4.490 INCHES NOMINAL IN
NSN4820-01-733-6384
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21106-001TR · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AA31306HInterchangeable
interchangeable cross-reference
interchangeable
4820PL1332262Interchangeable
interchangeable cross-reference
interchangeable
AN6279-6CDInterchangeable
interchangeable cross-reference
interchangeable
5480Interchangeable
interchangeable cross-reference
interchangeable
2124-6Interchangeable
interchangeable cross-reference
interchangeable
304-2720-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21106-001TR?
21106-001TR is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21106-001TR?
There are 13 known substitutes for 21106-001TR: AA31306H, 4820PL1332262, AN6279-6CD and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21106-001TR?
21106-001TR is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-733-6384. 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