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SW-851 2IN-STEM — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SW-851 2IN-STEM: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, features_provided: RISING STEM, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 2.000 INCHES IN, valve_type_for_which_designed: GLOBE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-429-9926, 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
SW-851 2IN-STEM
NSN: 4820-01-429-9926
FSC: 4820 — Valves, Nonpowered
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL
features_providedRISING STEM
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed2.000 INCHES IN
valve_type_for_which_designedGLOBE
valve_model_number_for_which_designedSW-851
NSN4820-01-429-9926
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SW-851 2IN-STEM · 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
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: SW-851
•
FEATURES PROVIDED: RISING STEM
•
VALVE SIZE FOR WHICH DESIGNED: 2.000 INCHES IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGLOBE
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE MODEL NUMBER FOR WHICH DESIGNEDSW-851
FEATURES PROVIDEDRISING STEM
VALVE SIZE FOR WHICH DESIGNED2.000 INCHES IN
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALSTEEL
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
F-47241 NO. 10Same 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 SW-851 2IN-STEM?
SW-851 2IN-STEM is a STEM,FLUID VALVE.
What parts can replace SW-851 2IN-STEM?
There is 1 known substitute for SW-851 2IN-STEM: F-47241 NO. 10. Substitute compatibility should be verified for your specific system.
What is the NSN for SW-851 2IN-STEM?
SW-851 2IN-STEM is cataloged in the U.S. Government catalog under NSN 4820-01-429-9926. 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.