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Technical Data Sheet
PartsTable / COMPONENT / 270-1/4
270-1/4 ✓ 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 270-1/4 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 4820-01-271-6919, 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
270-1/4
NSN: 4820-01-271-6919
FSC: 4820
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
Part Number270-1/4
NSN4820-01-271-6919
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 270-1/4 · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
MEDIA FOR WHICH DESIGNED: GAS, NATURAL SINGLE RESPONSE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY BODY
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODMANUAL
MEDIA FOR WHICH DESIGNEDGAS, NATURAL SINGLE RESPONSE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
27014Interchangeable
interchangeable cross-reference
interchangeable
33435Interchangeable
interchangeable cross-reference
interchangeable
7546638P1Interchangeable
interchangeable cross-reference
interchangeable
5740571Interchangeable
interchangeable cross-reference
interchangeable
A31U29184-1Interchangeable
interchangeable cross-reference
interchangeable
A31U29184-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 270-1/4?
270-1/4 is a 270-1/4.
What parts can replace 270-1/4?
There are 8 known substitutes for 270-1/4: 27014, 33435, 7546638P1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 270-1/4?
270-1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-271-6919. 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