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Technical Data Sheet
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1011988 — 1011988

✓ Government record, cited
DOVER RESOURCES, INC. DIV NORRISEAL · GATE VALVE
PRODUCT OVERVIEW

1011988: 1011988.

The 1011988 is a DOVER RESOURCES, INC. DIV NORRISEAL industrial component. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-453-8148, 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
1011988
NSN: 4820-01-453-8148
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)
SPECIFICATIONS
Part Number1011988
ManufacturerDOVER RESOURCES, INC. DIV NORRISEAL
NSN4820-01-453-8148
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1011988 · DOVER RESOURCES, INC. DIV NORRISEAL ⚠ 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
•
COMPONENT QUANTITY: 11
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY11
END ITEM IDENTIFICATIONMOTOR A/C
SUBSTITUTES & CROSS-REFERENCES 1
54000A001Reference 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 1011988?
1011988 is a 1011988 manufactured by DOVER RESOURCES, INC. DIV NORRISEAL.
What parts can replace 1011988?
There is 1 known substitute for 1011988: 54000A001. Substitute compatibility should be verified for your specific system.
What is the NSN for 1011988?
1011988 is cataloged in the U.S. Government catalog under NSN 4820-01-453-8148. This indicates validated use in U.S. government and defense supply chains.
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