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2641-809-42ITEM — FLANGE,JACKING,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2641-809-42ITEM: FLANGE,JACKING,VALVE.

The FLANGE,JACKING,VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-057-5743, 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
2641-809-42ITEM
NSN: 4820-01-057-5743
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL; 5.500 IN.FLANGE LENGTH; 0.750 IN. THICK; 2 HOLES 0.656 IN.DIA; 2 HOLES 0.781 IN.DIA; 2 HOLES 0.406 IN.DIA; 1.375-12 UNF,2B THREAD IN
NSN4820-01-057-5743
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2641-809-42ITEM · 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: STEEL; 5.500 IN.FLANGE LENGTH; 0.750 IN. THICK; 2 HOLES 0.656 IN.DIA; 2 HOLES 0.781 IN.DIA; 2 HOLES 0.406 IN.DIA; 1.375-12 UNF,2B THREAD IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 5.500 IN.FLANGE LENGTH; 0.750 IN. THICK; 2 HOLES 0.656 IN.DIA; 2 HOLES 0.781 IN.DIA; 2 HOLES 0.406 IN.DIA; 1.375-12 UNF,2B THREAD IN
SUBSTITUTES & CROSS-REFERENCES 5
845-4558740ITEM153Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
264180942-0095Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2641-809-42 ITEReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2641-809-42Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
845-4558740ITEMReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 2641-809-42ITEM?
2641-809-42ITEM is a FLANGE,JACKING,VALVE.
What parts can replace 2641-809-42ITEM?
There are 5 known substitutes for 2641-809-42ITEM: 845-4558740ITEM153, 264180942-0095, 2641-809-42 ITE and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2641-809-42ITEM?
2641-809-42ITEM is cataloged in the U.S. Government catalog under NSN 4820-01-057-5743. This indicates validated use in U.S. government and defense supply chains.
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