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Technical Data Sheet
PartsTable / COMPONENT / 9000-2129L1
9000-2129L1 ✓ 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

DISK RETAINER AND THROTTLING SKI. Key specifications include reference_number_differentiating_characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-219-4908, 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
9000-2129L1
NSN: 4820-01-219-4908
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-219-4908
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9000-2129L1 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
28521Interchangeable
interchangeable cross-reference
interchangeable
706872Interchangeable
interchangeable cross-reference
interchangeable
069013Interchangeable
interchangeable cross-reference
interchangeable
30147Interchangeable
interchangeable cross-reference
interchangeable
2620-920X12ASSY11APC4Interchangeable
interchangeable cross-reference
interchangeable
845-2181282-3INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9000-2129L1?
9000-2129L1 is a DISK RETAINER AND THROTTLING SKI.
What parts can replace 9000-2129L1?
There are 17 known substitutes for 9000-2129L1: 28521, 706872, 069013 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9000-2129L1?
9000-2129L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-219-4908. 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