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PartsTable / COMPONENT / 4-1030-3
4-1030-3 ✓ Verified by PartsTable
Ricoh · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

All-In-One Cartrige Type 185 for Aficio 150, 180. Key specifications include material: RUBBER, overall_height: 0.840 INCHES NOMINAL IN, style_designator: FLAT TOP COUNTERBORED, end_item_identification: W/S: MISSILE, MAVERICK AGM-65A; RADIO SYSTEM, SINGLE CHANNEL GROUND "& AIRBORNE-V (SINCGARS) A, outside/top_flange_diameter: 1.750 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 5330-00-841-6976, 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
4-1030-3
NSN: 5330-00-841-6976
FSC: 5330
CAGE: 9E942 — FEDERAL-MOGUL CORP ENGINE AND TRANSMISSION PRODUCTS GROUP ST JOHNS PLANT (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.840 INCHES NOMINAL IN
style_designatorFLAT TOP COUNTERBORED
end_item_identificationW/S: MISSILE, MAVERICK AGM-65A; RADIO SYSTEM, SINGLE CHANNEL GROUND "& AIRBORNE-V (SINCGARS) A
outside/top_flange_diameter1.750 INCHES NOMINAL IN
NSN5330-00-841-6976
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4-1030-3 MFR: Ricoh ⚠ 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
•
SEAL WIDTH: 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
CASE STYLE: SQUARE
•
MATERIAL: LEATHER SEALING ELEMENT A
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.005 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
SEALING ELEMENT STYLEVERTICAL-ANGULAR
CASE STYLESQUARE
MATERIALLEATHER SEALING ELEMENT A
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
OUTSIDE DIAMETER3.005 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
TEMP RATING-250.0 FAHRENHEIT DEGF
MATERIALLEATHER SEALING ELEMENT B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
17449Interchangeable
interchangeable cross-reference
interchangeable
989112-36BInterchangeable
interchangeable cross-reference
interchangeable
100974Interchangeable
interchangeable cross-reference
interchangeable
211-73Interchangeable
interchangeable cross-reference
interchangeable
D754Interchangeable
interchangeable cross-reference
interchangeable
ND28205-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-1030-3?
4-1030-3 is a BUMPER manufactured by Ricoh.
What parts can replace 4-1030-3?
There are 11 known substitutes for 4-1030-3: 17449, 989112-36B, 100974 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-1030-3?
4-1030-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-841-6976. 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