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845-1889552 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

845-1889552: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.655 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN, style_designator: PLAIN, body_inside_diameter: 0.960 INCHES NOMINAL IN, body_outside_diameter: 1.310 INCHES MINIMUM AND 1.313 INCHES MAXIMUM IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-181-6724, 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
845-1889552
NSN: 4820-01-181-6724
NIINs: 011816724, 012034789
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.655 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN
style_designatorPLAIN
body_inside_diameter0.960 INCHES NOMINAL IN
body_outside_diameter1.310 INCHES MINIMUM AND 1.313 INCHES MAXIMUM IN
seating_surface_shapeFLAT
NSN4820-01-181-6724
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889552 · 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
•
VALVE TYPE FOR WHICH DESIGNED: GLOBE
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 29968
•
VALVE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
•
MATERIAL: STEEL
•
ATTACHMENT METHOD: BOLTS
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGLOBE
VALVE MODEL NUMBER FOR WHICH DESIGNED29968
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES IN
MATERIALSTEEL
ATTACHMENT METHODBOLTS
SUBSTITUTES & CROSS-REFERENCES 4
2620-920X3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
29968 PIECE 2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
29968Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
845-1889552 PIECE 2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 845-1889552?
845-1889552 is a SEAT,VALVE.
What parts can replace 845-1889552?
There are 4 known substitutes for 845-1889552: 2620-920X3, 29968 PIECE 2, 29968 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889552?
845-1889552 is cataloged in the U.S. Government catalog under NSN 4820-01-181-6724. 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.