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2641-925-11ITEM5 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2641-925-11ITEM5: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_height: 1.250 INCHES NOMINAL IN, shank_diameter: 0.560 INCHES NOMINAL IN, flange_diameter: 0.875 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-061-5978, 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
2641-925-11ITEM5
NSN: 4820-01-061-5978
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_height1.250 INCHES NOMINAL IN
shank_diameter0.560 INCHES NOMINAL IN
flange_diameter0.875 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-01-061-5978
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2641-925-11ITEM5 · 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
•
SHANK DIAMETER: 0.560 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.560 INCHES NOMINAL IN
FLANGE DIAMETER0.875 INCHES NOMINAL IN
OVERALL HEIGHT1.250 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MATERIALNICKEL ALLOY
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 4
845-4687721 ITEReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
36-71-0515Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-4687721ITEM5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
845-4687721Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 2641-925-11ITEM5?
2641-925-11ITEM5 is a DISK,VALVE.
What parts can replace 2641-925-11ITEM5?
There are 4 known substitutes for 2641-925-11ITEM5: 845-4687721 ITE, 36-71-0515, 845-4687721ITEM5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2641-925-11ITEM5?
2641-925-11ITEM5 is cataloged in the U.S. Government catalog under NSN 4820-01-061-5978. 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.