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Technical Data Sheet
PartsTable / COMPONENT / B1885
B1885 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, construction: SLOT WOUND, overall_length: 5.1880 INCHES NOMINAL IN, overall_diameter: 1.1250 INCHES NOMINAL IN, features_provided: BEARING AND SHAFT, end_item_identification: VALVE,SWING CHECK,4.000. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-283-9135, 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
B1885
NSN: 6105-00-283-9135
FSC: 6105
CAGE: 72121 — EATON MOTOR SITE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
constructionSLOT WOUND
overall_length5.1880 INCHES NOMINAL IN
overall_diameter1.1250 INCHES NOMINAL IN
features_providedBEARING AND SHAFT
end_item_identificationVALVE,SWING CHECK,4.000
NSN6105-00-283-9135
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: B1885 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 1.1250 INCHES NOMINAL IN
•
CONSTRUCTION: SLOT WOUND
•
FEATURES PROVIDED: BEARING AND SHAFT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.1250 INCHES NOMINAL IN
CONSTRUCTIONSLOT WOUND
OVERALL LENGTH5.1880 INCHES NOMINAL IN
FEATURES PROVIDEDBEARING AND SHAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
WS32-1LInterchangeable
Wright's Stain
interchangeable
B4130Interchangeable
Wright's Stain
interchangeable
043301Interchangeable
Wright's Stain
interchangeable
D1866 PIECE 13 PT B1885 4IN-AInterchangeable
interchangeable cross-reference
interchangeable
D1866 PIECE 13Interchangeable
interchangeable cross-reference
interchangeable
B1885Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1885?
B1885 is a SEAT,VALVE.
What parts can replace B1885?
There are 6 known substitutes for B1885: WS32-1L, B4130, 043301 and 3 more. Substitute compatibility should be verified for your specific system.
Is B1885 still available?
B1885 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026