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845-1889758ASSY3 — LOCKING DEVICE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

845-1889758ASSY3: LOCKING DEVICE,VALVE.

The LOCKING DEVICE,VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-116-3791, 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
845-1889758ASSY3
NSN: 4820-01-116-3791
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF WIRE BRAIDED 0.125 IN. DIA NICKEL COPPER ALLOY; BARREL SPACER NICKEL COPPER ALLOY; BOLT-EYE SPACER 0.250 IN. BY 2.000 IN. LOCKED OPEN IN
NSN4820-01-116-3791
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889758ASSY3 · 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: CONSISTS OF WIRE BRAIDED 0.125 IN. DIA NICKEL COPPER ALLOY; BARREL SPACER NICKEL COPPER ALLOY; BOLT-EYE SPACER 0.250 IN. BY 2.000 IN. LOCKED OPEN IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF WIRE BRAIDED 0.125 IN. DIA NICKEL COPPER ALLOY; BARREL SPACER NICKEL COPPER ALLOY; BOLT-EYE SPACER 0.250 IN. BY 2.000 IN. LOCKED OPEN IN
SUBSTITUTES & CROSS-REFERENCES 4
4820PL1261256Reference document
Same NSN cross-reference
Reference document — Informative reference only
SS845-1889758ASReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
845-1889758Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2640-009Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 845-1889758ASSY3?
845-1889758ASSY3 is a LOCKING DEVICE,VALVE.
What parts can replace 845-1889758ASSY3?
There are 4 known substitutes for 845-1889758ASSY3: 4820PL1261256, SS845-1889758AS, 845-1889758 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889758ASSY3?
845-1889758ASSY3 is cataloged in the U.S. Government catalog under NSN 4820-01-116-3791. 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.