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PartsTable / COMPONENT / 845-2181251 PIECE 27
845-2181251 PIECE 27 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, temp_rating: 160.0 FAHRENHEIT NOMINAL DEGF, pressure_rating: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: INCL 1 DISK,1 BUMPER,1 SCREW,1 NUT,1 PIN,6 BUSHING,1 SEAL; FOR 4.000 IN. SIZE CHECK VALVE IN, media_for_which_designed: GAS OR OIL OR WATER.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-276-2696, 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
845-2181251 PIECE 27
NSN: 4820-01-276-2696
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
temp_rating160.0 FAHRENHEIT NOMINAL DEGF
pressure_rating700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresINCL 1 DISK,1 BUMPER,1 SCREW,1 NUT,1 PIN,6 BUSHING,1 SEAL; FOR 4.000 IN. SIZE CHECK VALVE IN
media_for_which_designedGAS OR OIL OR WATER
NSN4820-01-276-2696
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-2181251 PIECE 27 · 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
•
PRESSURE RATING: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL: NICKEL ALLOY
•
MEDIA FOR WHICH DESIGNED: GAS OR OIL OR WATER
•
TEMP RATING: 160.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS (FLIS)
PRESSURE RATING700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIALNICKEL ALLOY
MEDIA FOR WHICH DESIGNEDGAS OR OIL OR WATER
SPECIAL FEATURESINCL 1 DISK,1 BUMPER,1 SCREW,1 NUT,1 PIN,6 BUSHING,1 SEAL; FOR 4.000 IN. SIZE CHECK VALVE IN
TEMP RATING160.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SS845-2181251ASSY RD 5INInterchangeable
interchangeable cross-reference
interchangeable
2620-927X9Interchangeable
interchangeable cross-reference
interchangeable
2620-927X9 ASSEMBLY A 2 1/2INInterchangeable
interchangeable cross-reference
interchangeable
90205-000Interchangeable
interchangeable cross-reference
interchangeable
SS845-2181251ASSEMBLYRD PIECE2Interchangeable
interchangeable cross-reference
interchangeable
SS845-2181251Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-2181251 PIECE 27?
845-2181251 PIECE 27 is a DISK,VALVE.
What parts can replace 845-2181251 PIECE 27?
There are 12 known substitutes for 845-2181251 PIECE 27: SS845-2181251ASSY RD 5IN, 2620-927X9, 2620-927X9 ASSEMBLY A 2 1/2IN and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-2181251 PIECE 27?
845-2181251 PIECE 27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-276-2696. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026