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D253342ASSY99 — EXHAUST AND RELIEF VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D253342ASSY99: EXHAUST AND RELIEF VALVE.

The EXHAUST AND RELIEF VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CAST STEEL,STRAIGHT THRU FLANGED ENDS,5.000,150 LBS LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-182-4510, 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
D253342ASSY99
NSN: 4820-01-182-4510
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCAST STEEL,STRAIGHT THRU FLANGED ENDS,5.000,150 LBS LBS
NSN4820-01-182-4510
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D253342ASSY99 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST STEEL,STRAIGHT THRU FLANGED ENDS,5.000,150 LBS LBS
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST STEEL,STRAIGHT THRU FLANGED ENDS,5.000,150 LBS LBS
SUBSTITUTES & CROSS-REFERENCES 2
253342 ASSY 99Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2652051Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D253342ASSY99?
D253342ASSY99 is a EXHAUST AND RELIEF VALVE.
What parts can replace D253342ASSY99?
There are 2 known substitutes for D253342ASSY99: 253342 ASSY 99, 2652051. Substitute compatibility should be verified for your specific system.
What is the NSN for D253342ASSY99?
D253342ASSY99 is cataloged in the U.S. Government catalog under NSN 4820-01-182-4510. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.