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LLH377311 — 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: NO TECH REVIEW OR CHARACTERISTICS DATA. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-416-1976, 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
LLH377311
NSN: 4820-01-416-1976
FSC: 4820
CAGE: 66736 — NAVAL MEDICAL MATERIAL SUPPORT COMMAND DETACHMENT (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNO TECH REVIEW OR CHARACTERISTICS DATA
NSN4820-01-416-1976
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LLH377311 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NO TECH REVIEW OR CHARACTERISTICS DATA
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNO TECH REVIEW OR CHARACTERISTICS DATA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
M-3500-S-8Interchangeable
interchangeable cross-reference
interchangeable
6035ARRSInterchangeable
interchangeable cross-reference
interchangeable
555-1310Interchangeable
interchangeable cross-reference
interchangeable
24120R9 PART 20290Interchangeable
interchangeable cross-reference
interchangeable
20290Interchangeable
interchangeable cross-reference
interchangeable
2-290Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LLH377311?
LLH377311 is a MICROCIRCUIT,DIGITAL.
What parts can replace LLH377311?
There are 10 known substitutes for LLH377311: M-3500-S-8, 6035ARRS, 555-1310 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LLH377311?
LLH377311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-416-1976. 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: September 2026