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HLK-TA-BU2 1 1-4IN — 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 VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, temp_rating: 200.0 FAHRENHEIT NOMINAL DEGF, flow_control_device: PLUG, criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-271-3590, 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
HLK-TA-BU2 1 1-4IN
NSN: 4820-01-271-3590
FSC: 4820
CAGE: 95368 — AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
temp_rating200.0 FAHRENHEIT NOMINAL DEGF
flow_control_devicePLUG
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-271-3590
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HLK-TA-BU2 1 1-4IN · 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: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
•
FLOW CONTROL DEVICE: PLUG
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
TEMP RATING: 200.0 FAHRENHEIT NOMINAL DEGF
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
FLOW CONTROL DEVICEPLUG
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIALCOPPER ALLOY BODY
TEMP RATING200.0 FAHRENHEIT NOMINAL DEGF
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
16217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20155InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20155PC45InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10014-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20155 PIECE 10B 1INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
303-67InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HLK-TA-BU2 1 1-4IN?
HLK-TA-BU2 1 1-4IN is a VALVE,REGULATING,TEMPERATURE.
What parts can replace HLK-TA-BU2 1 1-4IN?
There are 16 known substitutes for HLK-TA-BU2 1 1-4IN: 16217, 20155, 20155PC45 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HLK-TA-BU2 1 1-4IN?
HLK-TA-BU2 1 1-4IN is cataloged in the Federal Logistics Information System under NSN 4820-01-271-3590. 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: October 2026