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2271439-003 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2271439-003: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 BODY, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, disk_loading_method: SPRING, flow_control_device: STEM OR DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-014-2696, 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
2271439-003
NSN: 4820-00-014-2696
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 BODY
connection_stylePLAIN (PIPE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
disk_loading_methodSPRING
flow_control_deviceSTEM OR DISK
nominal_thread_size0.125 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT FIRST END
material_document_and_classificationQQ-A-225/5,ALLOY2017,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,ALLOY2024,T4 FED SPEC 2ND MATERIAL RESPONSE BODY
NSN4820-00-014-2696
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2271439-003 · 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
•
FLOW CONTROL DEVICE: STEM OR DISK
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5,ALLOY2017,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,ALLOY2024,T4 FED SPEC 2ND MATERIAL RESPONSE BODY
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN
•
DISK LOADING METHOD: SPRING
•
MATERIAL: ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM OR DISK
CONNECTION STYLEPLAIN (PIPE) FIRST END
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5,ALLOY2017,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,ALLOY2024,T4 FED SPEC 2ND MATERIAL RESPONSE BODY
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.125 INCHES FIRST END IN
DISK LOADING METHODSPRING
MATERIALALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 BODY
THREAD SERIES DESIGNATORNPT FIRST END
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
1A030-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
1093438-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2271439-003?
2271439-003 is a VALVE,SAFETY RELIEF.
What parts can replace 2271439-003?
There are 2 known substitutes for 2271439-003: 1A030-3, 1093438-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 2271439-003?
2271439-003 is cataloged in the U.S. Government catalog under NSN 4820-00-014-2696. This indicates validated use in U.S. government and defense supply chains.
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