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998-0510-09 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

998-0510-09: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: IRON CAST BODY, valve_size: 1.000 INCHES IN, bonnet_type: PACKING RETAINING, flange_shape: RECTANGULAR WITH HOLES SECOND END, nominal_width: 2.400 INCHES FIRST END IN, nominal_length: 3.765 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-400-6785, 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
998-0510-09
NSN: 4820-00-400-6785
FSC: 4820 — Valves, Nonpowered
CAGE: 14569 — COPELAND CORP (USA)
SPECIFICATIONS
materialIRON CAST BODY
valve_size1.000 INCHES IN
bonnet_typePACKING RETAINING
flange_shapeRECTANGULAR WITH HOLES SECOND END
nominal_width2.400 INCHES FIRST END IN
nominal_length3.765 INCHES SECOND END IN
connection_typeFLANGE FIRST END
style_designatorANGLE FLANGED ENDS
nominal_thickness1.125 INCHES SECOND END IN
bolt_hole_quantity4 FIRST END
flange_face_designRECESSED STRAIGHT FIRST END
disk_loading_methodSPRING
NSN4820-00-400-6785
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 998-0510-09 · 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: POPPET
•
RECESS NOMINAL DEPTH: 0.125 INCHES FIRST END IN
•
FLANGE SHAPE: RECTANGULAR WITH HOLES SECOND END
•
RENEWABLE SEAT RING TYPE: PRESSED-IN
•
FLANGE FACE DESIGN: PLAIN SECOND END
•
NOMINAL LENGTH: 2.400 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
RECESS NOMINAL DEPTH0.125 INCHES FIRST END IN
FLANGE SHAPERECTANGULAR WITH HOLES SECOND END
FLANGE SHAPERECTANGULAR WITH HOLES FIRST END
RENEWABLE SEAT RING TYPEPRESSED-IN
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRECESSED STRAIGHT FIRST END
NOMINAL LENGTH2.400 INCHES FIRST END IN
NOMINAL LENGTH3.765 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER2.313 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 1
510-0063-00Reference 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 998-0510-09?
998-0510-09 is a VALVE,SAFETY RELIEF.
What parts can replace 998-0510-09?
There is 1 known substitute for 998-0510-09: 510-0063-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 998-0510-09?
998-0510-09 is cataloged in the U.S. Government catalog under NSN 4820-00-400-6785. 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.