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SS845-1889751AS — CARTRIDGE,NEEDLE VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS845-1889751AS: CARTRIDGE,NEEDLE VALVE.

The CARTRIDGE,NEEDLE VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-201-8097, 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
SS845-1889751AS
NSN: 4820-01-201-8097
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part NumberSS845-1889751AS
NSN4820-01-201-8097
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS845-1889751AS · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNICKEL COPPER ALLOY QQ-N-281 BODY;ALUMINUM BRONZE QQ-B-679 STEM;CORROSION RESISTANT STEEL HEXAGON PLUG;BUNA-N MIL-P-5516 O-RINGS;BODY OUTBOARD,0.562-18UNF-2A THD;PLUG 0.562-18UNF-2A THD;O-RINGS 0.468 IN. ID BY 0.078 IN. COUNTERSUNK;MAXIMUM WP 3000 PSI A
SUBSTITUTES & CROSS-REFERENCES 3
SS845-1889751Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2640-002Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
73643-67X4 PIECE 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889751AS?
SS845-1889751AS is a CARTRIDGE,NEEDLE VALVE.
What parts can replace SS845-1889751AS?
There are 3 known substitutes for SS845-1889751AS: SS845-1889751, 2640-002, 73643-67X4 PIECE 7. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889751AS?
SS845-1889751AS is cataloged in the U.S. Government catalog under NSN 4820-01-201-8097. 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.