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Technical Data Sheet
PartsTable / COMPONENT / 900C277PC3
900C277PC3 ✓ 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 CAP,VALVE is a the manufacturer industrial component. Key specifications include special_features: MATERIAL:CRES STEEL COMPOSITION 304,CONDITION A,CLEANING WILL BE PER MIL-STD-767, criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-304-6590, 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
900C277PC3
NSN: 4820-01-304-6590
FSC: 4820
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
special_featuresMATERIAL:CRES STEEL COMPOSITION 304,CONDITION A,CLEANING WILL BE PER MIL-STD-767
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-304-6590
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 900C277PC3 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
SPECIAL FEATURESMATERIAL:CRES STEEL COMPOSITION 304,CONDITION A,CLEANING WILL BE PER MIL-STD-767
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
900C277SUB2PC3Interchangeable
interchangeable cross-reference
interchangeable
S703Interchangeable
interchangeable cross-reference
interchangeable
H26218PC53Interchangeable
interchangeable cross-reference
interchangeable
900J768PC65Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 900C277PC3?
900C277PC3 is a CAP,VALVE.
What parts can replace 900C277PC3?
There are 4 known substitutes for 900C277PC3: 900C277SUB2PC3, S703, H26218PC53 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 900C277PC3?
900C277PC3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-304-6590. 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