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PartsTable / COMPONENT / 2129-1IN
2129-1IN ✓ 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 SHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, stem_type: NONRISING, valve_size: 1.000 INCHES IN, bonnet_type: INSIDE SCREW, pressure_class: ERR-060, connection_type: THREADED INTERNAL PIPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-595-3856, 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
2129-1IN
NSN: 4820-00-595-3856
FSC: 4820
CAGE: 37239 — LUNKENHEIMER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
stem_typeNONRISING
valve_size1.000 INCHES IN
bonnet_typeINSIDE SCREW
pressure_classERR-060
connection_typeTHREADED INTERNAL PIPE
special_featuresSUNGLE WEDGE DISC
features_providedBONNET PACKING
nominal_thread_size1.000 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT
NSN4820-00-595-3856
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2129-1IN · 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 DOCUMENT AND CLASSIFICATION: ASTM B371 ALLOY C87500 ASSN STD SINGLE MATERIAL RESPONSE STEM
•
MATERIAL: COPPER ALLOY 836 DISK
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
BONNET ATTACHMENT METHOD: THREADED
•
FEATURES PROVIDED: BONNET PACKING
•
PRESSURE CLASS: ERR-060
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B371 ALLOY C87500 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY 836 DISK
INLET RELATIONSHIP WITH OUTLETIDENTICAL
SPECIAL FEATURESSUNGLE WEDGE DISC
BONNET ATTACHMENT METHODTHREADED
FEATURES PROVIDEDBONNET PACKING
PRESSURE CLASSERR-060
NOMINAL THREAD SIZE1.000 INCHES IN
MATERIALCOPPER ALLOY 836 BODY
STEM TYPENONRISING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
0052049Interchangeable
interchangeable cross-reference
interchangeable
NU 306Interchangeable
interchangeable cross-reference
interchangeable
6161Interchangeable
interchangeable cross-reference
interchangeable
370Interchangeable
interchangeable cross-reference
interchangeable
TT5258Interchangeable
interchangeable cross-reference
interchangeable
438Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2129-1IN?
2129-1IN is a SHELL,ELECTRICAL CONNECTOR.
What parts can replace 2129-1IN?
There are 28 known substitutes for 2129-1IN: 0052049, NU 306, 6161 and 25 more. Substitute compatibility should be verified for your specific system.
Is 2129-1IN still available?
2129-1IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026