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Technical Data Sheet
PartsTable / COMPONENT / 3889-1
3889-1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The LIGHT ASSEMBLY,INDICATOR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, lens_type: DISPLAY SCREEN SINGLE ROW THIRD POSITION VERTICAL, lens_color: WHITE SINGLE ROW FOURTH POSITION VERTICAL, lens_legend: TH CUTBACK SINGLE ROW FOURTH POSITION VERTICAL FULL DISPLAY DIVISION A, swage_depth: 0.031 INCHES IN, filter_color: RED SINGLE ROW SECOND POSITION VERTICAL FULL DISPLAY DIVISION A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-051-7054, 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
3889-1
NSN: 5340-00-051-7054
FSC: 5340
CAGE: 81312 — WINCHESTER INTERCONNECT CORPORATION DBA WINCHESTER INTERCONNECT DIV WINCHESTER INTERCONNECT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
lens_typeDISPLAY SCREEN SINGLE ROW THIRD POSITION VERTICAL
lens_colorWHITE SINGLE ROW FOURTH POSITION VERTICAL
lens_legendTH CUTBACK SINGLE ROW FOURTH POSITION VERTICAL FULL DISPLAY DIVISION A
swage_depth0.031 INCHES IN
filter_colorRED SINGLE ROW SECOND POSITION VERTICAL FULL DISPLAY DIVISION A
flange_width0.063 INCHES NOMINAL IN
thread_class2A OVERALL A
lens_quantity4
overall_width1.813 INCHES NOMINAL IN
thread_length0.313 INCHES NOMINAL ROD CONNECTION IN
overall_height2.062 INCHES NOMINAL IN
NSN5340-00-051-7054
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3889-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 212,CAGE 81312 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: EXTERNAL THREAD, FLANGED, TUBULAR END
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) ROD CONNECTION
•
NOMINAL THREAD SIZE: 0.112 INCHES ROD CONNECTION IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD CLASS: 2A OVERALL A
•
UNTHREADED END LENGTH: 0.266 INCHES NOMINAL IN
•
THREAD LENGTH: 0.313 INCHES NOMINAL ROD CONNECTION IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION212,CAGE 81312 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOREXTERNAL THREAD, FLANGED, TUBULAR END
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) ROD CONNECTION
NOMINAL THREAD SIZE0.112 INCHES ROD CONNECTION IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS2A OVERALL A
UNTHREADED END LENGTH0.266 INCHES NOMINAL IN
THREAD LENGTH0.313 INCHES NOMINAL ROD CONNECTION IN
FLANGE DIAMETER0.187 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
3889-1Interchangeable
interchangeable cross-reference
interchangeable
3889Interchangeable
interchangeable cross-reference
interchangeable
CP3889-1-503Interchangeable
interchangeable cross-reference
interchangeable
7224822Interchangeable
interchangeable cross-reference
interchangeable
1406-1Interchangeable
interchangeable cross-reference
interchangeable
115170Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3889-1?
3889-1 is a LIGHT ASSEMBLY,INDICATOR.
What parts can replace 3889-1?
There are 7 known substitutes for 3889-1: 3889-1, 3889, CP3889-1-503 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3889-1?
3889-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-051-7054. 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