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Technical Data Sheet
PartsTable / COMPONENT / 301.1/2-3/51

301.1/2-3/51 — 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 SLEEVE,EXPANSION MANDREL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, special_features: SILENT CHECK VALVE, WAFER STYLE, SERIES 300. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-149-7868, 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
301.1/2-3/51
NSN: 4820-01-149-7868
FSC: 4820
CAGE: 79067 — APCO/VALVE & PRIMER CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY
special_featuresSILENT CHECK VALVE, WAFER STYLE, SERIES 300
NSN4820-01-149-7868
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 301.1/2-3/51 · 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: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
SPECIAL FEATURESSILENT CHECK VALVE, WAFER STYLE, SERIES 300
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
S300Interchangeable
interchangeable cross-reference
interchangeable
150LInterchangeable
interchangeable cross-reference
interchangeable
WH-1Interchangeable
interchangeable cross-reference
interchangeable
A-A-1274Interchangeable
interchangeable cross-reference
interchangeable
B107.300Interchangeable
interchangeable cross-reference
interchangeable
B107.14 TY1CLAST2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301.1/2-3/51?
301.1/2-3/51 is a SLEEVE,EXPANSION MANDREL.
What parts can replace 301.1/2-3/51?
There are 13 known substitutes for 301.1/2-3/51: S300, 150L, WH-1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 301.1/2-3/51?
301.1/2-3/51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-149-7868. 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