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2643-825-89 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2643-825-89: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, cam_width: 1.0000 INCHES NOMINAL IN, design_type: FRICTION, overall_height: 0.5000 INCHES NOMINAL IN, special_features: 0.125 DIA X 0.090 LONG, features_provided: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-476-3821, 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
2643-825-89
NSN: 4810-01-476-3821
NIINs: 014763821, 014763839, 014767619
FSC: 4810 — Valves, Powered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
cam_width1.0000 INCHES NOMINAL IN
design_typeFRICTION
overall_height0.5000 INCHES NOMINAL IN
special_features0.125 DIA X 0.090 LONG
features_providedSHOULDER
nominal_thickness0.2500 INCHES IN
end_item_identificationVALVE ASSY. BALL HYD. OPERATED TYPE 2 4X3X4 PORT 700 PSI
material_document_and_classificationLOCKHEED-CALIFORNIA, C-22-1221 MFR REF SINGLE MATERIAL RESPONSE
NSN4810-01-476-3821
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2643-825-89 · 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
SUBSTITUTES & CROSS-REFERENCES 3
2643-825-89 ITEM 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
264382589-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7108907Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2643-825-89?
2643-825-89 is a STEM,FLUID VALVE.
What parts can replace 2643-825-89?
There are 3 known substitutes for 2643-825-89: 2643-825-89 ITEM 9, 264382589-9, 7108907. Substitute compatibility should be verified for your specific system.
What is the NSN for 2643-825-89?
2643-825-89 is cataloged in the U.S. Government catalog under NSN 4810-01-476-3821. This indicates validated use in U.S. government and defense supply chains.
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