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PartsTable / COMPONENT / NS-4038 ASSEMBLY IA1-2IN
NS-4038 ASSEMBLY IA1-2IN ✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 BODY, connection_style: SOCKET WITH BRAZING RING (PIPE) FIRST END, style_designator: STRAIGHT THRU, flow_control_device: DISK, valve_operation_method: AUTOMATIC, media_for_which_designed: WATER-OIL-GAS SINGLE RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-045-5064, 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
NS-4038 ASSEMBLY IA1-2IN
NSN: 4820-00-045-5064
FSC: 4820
CAGE: 11836 — NATIONAL OILWELL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 903 BODY
connection_styleSOCKET WITH BRAZING RING (PIPE) FIRST END
style_designatorSTRAIGHT THRU
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
nominal_pipe_size_accommodated0.500 INCHES FIRST END IN
NSN4820-00-045-5064
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NS-4038 ASSEMBLY IA1-2IN · 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
KEY FEATURES
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY 903 SEAT
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
CONNECTION STYLE: SOCKET WITH BRAZING RING (PIPE) FIRST END
•
FLOW CONTROL DEVICE: DISK
•
VALVE OPERATION METHOD: AUTOMATIC
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY 903 SEAT
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MATERIALCOPPER ALLOY 903 BODY
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) FIRST END
FLOW CONTROL DEVICEDISK
VALVE OPERATION METHODAUTOMATIC
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2620-927X1 ASSY 8 BAInterchangeable
interchangeable cross-reference
interchangeable
845-2110235Interchangeable
interchangeable cross-reference
interchangeable
2620-927X1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-4038 ASSEMBLY IA1-2IN?
NS-4038 ASSEMBLY IA1-2IN is a VALVE,CHECK.
What parts can replace NS-4038 ASSEMBLY IA1-2IN?
There are 3 known substitutes for NS-4038 ASSEMBLY IA1-2IN: 2620-927X1 ASSY 8 BA, 845-2110235, 2620-927X1. Substitute compatibility should be verified for your specific system.
Is NS-4038 ASSEMBLY IA1-2IN still available?
NS-4038 ASSEMBLY IA1-2IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026