PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 770E4
770E4 ✓ 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 BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: WOOL OVERALL, outside_diameter: 1.188 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN, cross-sectional_width: 0.438 INCHES NOMINAL IN, cross-sectional_height: 0.163 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-5121, 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
770E4
NSN: 5330-00-285-5121
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialWOOL OVERALL
outside_diameter1.188 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
cross-sectional_width0.438 INCHES NOMINAL IN
cross-sectional_height0.163 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
NSN5330-00-285-5121
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 770E4 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
•
MATERIAL: WOOL OVERALL
•
OUTSIDE DIAMETER: 1.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.163 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.438 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL OVERALL
OUTSIDE DIAMETER1.188 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.163 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.438 INCHES NOMINAL IN
APERTURE DIAMETER0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MILT7928Interchangeable
interchangeable cross-reference
interchangeable
205019-57Interchangeable
interchangeable cross-reference
interchangeable
10630025-33Interchangeable
interchangeable cross-reference
interchangeable
50210Interchangeable
interchangeable cross-reference
interchangeable
322125Interchangeable
interchangeable cross-reference
interchangeable
M175Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 770E4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 770E4?
770E4 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 770E4?
There are 18 known substitutes for 770E4: MILT7928, 205019-57, 10630025-33 and 15 more. Substitute compatibility should be verified for your specific system.
Is 770E4 still available?
770E4 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 770E4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026