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Technical Data Sheet
PartsTable / COMPONENT / 48A-1/4-320
48A-1/4-320 ✓ 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 48A-1/4-320 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 4820-00-477-5645, 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
48A-1/4-320
NSN: 4820-00-477-5645
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
Part Number48A-1/4-320
NSN4820-00-477-5645
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 48A-1/4-320 · 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 STYLE: PLAIN (PIPE) FIRST END
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
VALVE OPERATION METHOD: MANUAL
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END IN
VALVE OPERATION METHODMANUAL
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
END ITEM IDENTIFICATIONGRUMMAN AEROSPACE A10 AIRCRAFT
THREAD SERIES DESIGNATORNPT FIRST END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE320.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
48320Interchangeable
interchangeable cross-reference
interchangeable
210177H1Interchangeable
interchangeable cross-reference
interchangeable
904054Interchangeable
interchangeable cross-reference
interchangeable
48620Interchangeable
interchangeable cross-reference
interchangeable
9967Interchangeable
interchangeable cross-reference
interchangeable
CRD13AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48A-1/4-320?
48A-1/4-320 is a 48A-1/4-320.
What parts can replace 48A-1/4-320?
There are 7 known substitutes for 48A-1/4-320: 48320, 210177H1, 904054 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 48A-1/4-320?
48A-1/4-320 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-477-5645. 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