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2640-087 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2640-087: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include supply_items_and_quantities: "BALL 1,SEAT 2". This part is cataloged in the U.S.

Government catalog under NSN 4820-00-816-5320, 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
2640-087
NSN: 4820-00-816-5320
NIINs: 008165320, 011608232, 011713348
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
component_quantity3
supply_items_and_quantities"BALL 1,SEAT 2"
NSN4820-00-816-5320
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2640-087 · 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
•
BODY OUTSIDE DIAMETER: 0.872 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
•
SEAL ACCOMMODATION TYPE: GROOVED
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.837 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.244 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.872 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER0.837 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 5
20-09232Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
20-09539Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
845-1889836Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2640-405X3PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-1889836 PC 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2640-087?
2640-087 is a PARTS KIT,BALL VALVE.
What parts can replace 2640-087?
There are 5 known substitutes for 2640-087: 20-09232, 20-09539, 845-1889836 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2640-087?
2640-087 is cataloged in the U.S. Government catalog under NSN 4820-00-816-5320. 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.