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SS845-2109844 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS845-2109844: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, overall_height: 0.312 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 2.119 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN, body_outside_diameter: 2.461 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-030-7123, 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
SS845-2109844
NSN: 4820-01-030-7123
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_height0.312 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter2.119 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN
body_outside_diameter2.461 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN
seating_surface_shapeFLAT
seal_accommodation_typeGROOVED
NSN4820-01-030-7123
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS845-2109844 · 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
•
BODY OUTSIDE DIAMETER: 2.461 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN
•
SEAL ACCOMMODATION TYPE: GROOVED
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 2.119 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.461 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER2.119 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SEATING SURFACE SHAPEFLAT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
SS845-2109844PC9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS845-2109844?
SS845-2109844 is a SEAT,VALVE.
What parts can replace SS845-2109844?
There is 1 known substitute for SS845-2109844: SS845-2109844PC9. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-2109844?
SS845-2109844 is cataloged in the U.S. Government catalog under NSN 4820-01-030-7123. 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.