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253009 — VALVE,EXHAUST CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

253009: VALVE,EXHAUST CONTROL.

The VALVE,EXHAUST CONTROL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 3B, overall_height: 2.125 INCHES NOMINAL IN, overall_length: 5.219 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-151-6325, 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
253009
NSN: 4820-01-151-6325
NIINs: 011516325, 011516361, 011518960, 011519017, 014501739, 014501741
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL COMP 410
seat_angle45.0 DEGREES NOMINAL
thread_class3B
overall_height2.125 INCHES NOMINAL IN
overall_length5.219 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter4.813 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size1.875 INCHES IN
end_item_identification3 1/2 INCH COMBINED EXHAUST AND RELIEF GLOBE VALVE IN
stem_actuating_end_typeSQUARE
largest_outside_diameter1.250 INCHES NOMINAL IN
NSN4820-01-151-6325
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 253009 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 5.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL IN
FLANGE DIAMETER5.125 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER4.500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
253009 PIECE 44Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
253009 PC44Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 253009?
253009 is a VALVE,EXHAUST CONTROL.
What parts can replace 253009?
There are 2 known substitutes for 253009: 253009 PIECE 44, 253009 PC44. Substitute compatibility should be verified for your specific system.
What is the NSN for 253009?
253009 is cataloged in the U.S. Government catalog under NSN 4820-01-151-6325. 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.