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Technical Data Sheet
PartsTable / COMPONENT / C281
C281 ✓ 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 BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, overall_height: 0.437 INCHES NOMINAL IN, special_features: 6 GROOVES EQUALLY SPACED ON OUTER EDGE, style_designator: PLAIN, body_inside_diameter: 1.250 INCHES NOMINAL IN, body_outside_diameter: 2.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-602-2502, 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
C281
NSN: 4820-00-602-2502
FSC: 4820
CAGE: 98991 — WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
overall_height0.437 INCHES NOMINAL IN
special_features6 GROOVES EQUALLY SPACED ON OUTER EDGE
style_designatorPLAIN
body_inside_diameter1.250 INCHES NOMINAL IN
body_outside_diameter2.125 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-00-602-2502
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C281 · 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
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN
•
BODY OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
BODY INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.437 INCHES NOMINAL IN
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURES6 GROOVES EQUALLY SPACED ON OUTER EDGE
STYLE DESIGNATORPLAIN
BODY OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
747980Interchangeable
interchangeable cross-reference
interchangeable
3090003Interchangeable
interchangeable cross-reference
interchangeable
15598Interchangeable
interchangeable cross-reference
interchangeable
01897Interchangeable
interchangeable cross-reference
interchangeable
609114Interchangeable
interchangeable cross-reference
interchangeable
102-011-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C281?
C281 is a BEARING,ROLLER,NEEDLE.
What parts can replace C281?
There are 8 known substitutes for C281: 747980, 3090003, 15598 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C281?
C281 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-602-2502. 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