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PartsTable / COMPONENT / 45439-2 1/2IN
45439-2 1/2IN ✓ 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 45439-2 1/2IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-124-8451, 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
45439-2 1/2IN
NSN: 4810-00-124-8451
FSC: 4810
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
Part Number45439-2 1/2IN
NSN4810-00-124-8451
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45439-2 1/2IN · 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 10
271REDInterchangeable
interchangeable cross-reference
interchangeable
45442Interchangeable
interchangeable cross-reference
interchangeable
NAVAL REPAIR PARTInterchangeable
interchangeable cross-reference
interchangeable
840-2-4Interchangeable
interchangeable cross-reference
interchangeable
30 D2Interchangeable
interchangeable cross-reference
interchangeable
84024K-2 1/2INInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45439-2 1/2IN?
45439-2 1/2IN is a 45439-2 1/2IN.
What parts can replace 45439-2 1/2IN?
There are 10 known substitutes for 45439-2 1/2IN: 271RED, 45442, NAVAL REPAIR PART and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45439-2 1/2IN?
45439-2 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-124-8451. 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