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Technical Data Sheet
PartsTable / COMPONENT / 2157-2-1/2 IN
2157-2-1/2 IN ✓ 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 2157-2-1/2 IN 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 4820-01-240-8378, 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
2157-2-1/2 IN
NSN: 4820-01-240-8378
FSC: 4820
CAGE: 035B2 — CINCINNATI VALVE COMPANY (USA)
SPECIFICATIONS
Part Number2157-2-1/2 IN
NSN4820-01-240-8378
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2157-2-1/2 IN · 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
•
FLANGE FACE DESIGN: PLAIN
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
STEM TYPE: RISING
•
VALVE OPERATION METHOD: MANUAL
•
BOLT HOLE QUANTITY: 4
•
VALVE SIZE: 2.500 INCHES IN
•
MATERIAL: COPPER ALLOY SEAT
•
BONNET TYPE: PACKING RETAINING
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE FACE DESIGNPLAIN
INLET RELATIONSHIP WITH OUTLETIDENTICAL
STEM TYPERISING
VALVE OPERATION METHODMANUAL
BOLT HOLE QUANTITY4
VALVE SIZE2.500 INCHES IN
MATERIALCOPPER ALLOY SEAT
BONNET TYPEPACKING RETAINING
CONNECTION TYPEFLANGE, ROUND W/HOLES
FACE TO FACE DISTANCE6.750 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2157Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-15108Interchangeable
interchangeable cross-reference
interchangeable
5322Interchangeable
interchangeable cross-reference
interchangeable
46814-00Interchangeable
interchangeable cross-reference
interchangeable
2157-00Interchangeable
interchangeable cross-reference
interchangeable
9L67Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2157-2-1/2 IN?
2157-2-1/2 IN is a 2157-2-1/2 IN.
What parts can replace 2157-2-1/2 IN?
There are 11 known substitutes for 2157-2-1/2 IN: 2157, MIL-T-15108, 5322 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2157-2-1/2 IN?
2157-2-1/2 IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-240-8378. 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