PartsTable
Technical Data Sheet
Download PDF

845-1889758 — LOCKING DEVICE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

845-1889758: 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 4820-00-150-6176, 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
845-1889758
NSN: 4820-00-150-6176
NIINs: 001506176, 011163791, 012953482
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
NSN4820-00-150-6176
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889758 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF PC TWO TO FIVE NAMEPLATE LOCKED CLOSED,MATL SPEC QQ-N-281,LEVER LOCK,MATL SPEC QQ-N-281,WASHER FLAT PLAIN NO 6 MATL SPEC FF-W-92,RIVET RD HD 0.125 IN. DIA 0.500 IN. LG MATL ALUMINUM,USED ONLOCKING DEVICES FOR E.B. STD AND COMMERCIAL VALVES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF PC TWO TO FIVE NAMEPLATE LOCKED CLOSED,MATL SPEC QQ-N-281,LEVER LOCK,MATL SPEC QQ-N-281,WASHER FLAT PLAIN NO 6 MATL SPEC FF-W-92,RIVET RD HD 0.125 IN. DIA 0.500 IN. LG MATL ALUMINUM,USED ONLOCKING DEVICES FOR E.B. STD AND COMMERCIAL VALVES IN
SUBSTITUTES & CROSS-REFERENCES 6
NNSN97-66-983Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
62-97-4138ASSYBEReference document
Same NSN cross-reference
Reference document — Secondary reference
1889758 PCS 2-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
255407 ASSY B (LOCKED CLOSED)Reference document
Same NSN cross-reference
Reference document — Secondary reference
2640-009ASSYBEPC2T05Reference document
Same NSN cross-reference
Reference document — Secondary reference
255407Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 845-1889758?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 845-1889758?
845-1889758 is a LOCKING DEVICE,VALVE.
What parts can replace 845-1889758?
There are 6 known substitutes for 845-1889758: NNSN97-66-983, 62-97-4138ASSYBE, 1889758 PCS 2-5 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889758?
845-1889758 is cataloged in the U.S. Government catalog under NSN 4820-00-150-6176. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 845-1889758

✓ 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.