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Technical Data Sheet
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GD270-274 — GD270-274

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

GD270-274: GD270-274.

The GD270-274 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-453-4126, 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
GD270-274
NSN: 4820-01-453-4126
FSC: 4820 — Valves, Nonpowered
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
Part NumberGD270-274
NSN4820-01-453-4126
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GD270-274 · 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: STEEL COMP 303
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNHA VALVE,PRESSURE REGULATOR
END ITEM IDENTIFICATIONOXYGEN SERVICING UNIT; W/S CODE JA, NIMITZ CLASS CVN
MATERIALSTEEL COMP 303
SUBSTITUTES & CROSS-REFERENCES 1
21030536Reference 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 GD270-274?
GD270-274 is a GD270-274.
What parts can replace GD270-274?
There is 1 known substitute for GD270-274: 21030536. Substitute compatibility should be verified for your specific system.
What is the NSN for GD270-274?
GD270-274 is cataloged in the U.S. Government catalog under NSN 4820-01-453-4126. This indicates validated use in U.S. government and defense supply chains.
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