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71189 — RING ASSEMBLY,ELECTRICAL CONTACT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

71189: RING ASSEMBLY,ELECTRICAL CONTACT.

RING ASSEMBLY,ELECTRICAL CONTACT. Key specifications include width: 0.438 INCHES NOMINAL IN, diameter: 1.114 INCHES NOMINAL IN, material: RUBBER SYNTHETIC, step_length: 0.031 INCHES NOMINAL IN, step_diameter: 0.875 INCHES NOMINAL IN, overall_length: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-121-0501, 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
MRO→ MRO_GENERAL→ 71189
NSN: 2805-00-121-0501
NIINs: 001210501, 001256898, 010393075, 010955206
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
width0.438 INCHES NOMINAL IN
diameter1.114 INCHES NOMINAL IN
materialRUBBER SYNTHETIC
step_length0.031 INCHES NOMINAL IN
step_diameter0.875 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
hardness_rating70.0 SHORE DUROMETER A NOMINAL
inside_diameter0.687 INCHES NOMINAL IN
outside_diameter8.012 INCHES NOMINAL IN
overall_diameter1.405 INCHES NOMINAL IN
ozone_resistanceNOT OZONE RESISTANT
style_designatorROUND, STEPPED
NSN2805-00-121-0501
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING ASSEMBLY,ELECTRICAL CONTACT TITLE COMPONENT PN 71189 MFR RING ASSEMBLY,ELECTRIC
KEY FEATURES
•
OZONE RESISTANCE: NOT OZONE RESISTANT
•
STEP LENGTH: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, STEPPED
•
OUTSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.687 INCHES NOMINAL IN
•
STEP DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OZONE RESISTANCENOT OZONE RESISTANT
STEP LENGTH0.031 INCHES NOMINAL IN
STYLE DESIGNATORROUND, STEPPED
OUTSIDE DIAMETER1.312 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
INSIDE DIAMETER0.687 INCHES NOMINAL IN
STEP DIAMETER0.875 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
1947344Reference document
Same NSN cross-reference
Reference document — Secondary reference
1452234Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 71189?
71189 is a RING ASSEMBLY,ELECTRICAL CONTACT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 71189?
There are 2 known substitutes for 71189: 1947344, 1452234. Substitute compatibility should be verified for your specific system.
What is the NSN for 71189?
71189 is cataloged in the U.S. Government catalog under NSN 2805-00-121-0501. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.