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SW851 MOD 1.25IN — VALVE,CHECK,OXYGEN SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SW851 MOD 1.25IN: VALVE,CHECK,OXYGEN SYSTEM.

The VALVE,CHECK,OXYGEN SYSTEM is a the manufacturer industrial component. Key specifications include end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-440-2014, 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
SW851 MOD 1.25IN
NSN: 4820-01-440-2014
FSC: 4820 — Valves, Nonpowered
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
NSN4820-01-440-2014
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SW851 MOD 1.25IN · 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
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
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
SW851 MOD 1-1/4INSame 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 SW851 MOD 1.25IN?
SW851 MOD 1.25IN is a VALVE,CHECK,OXYGEN SYSTEM.
What parts can replace SW851 MOD 1.25IN?
There is 1 known substitute for SW851 MOD 1.25IN: SW851 MOD 1-1/4IN. Substitute compatibility should be verified for your specific system.
What is the NSN for SW851 MOD 1.25IN?
SW851 MOD 1.25IN is cataloged in the U.S. Government catalog under NSN 4820-01-440-2014. This indicates validated use in U.S. government and defense supply chains.
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