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Technical Data Sheet
57856 ✓ Verified by PartsTable
Motorola · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: ALUMINUM FILTERING MEDIUM, design_type: REUSABLE, overall_width: 4.690 INCHES NOMINAL IN, wire_diameter: 0.012 INCHES NOMINAL IN, body_thickness: 0.062 INCHES NOMINAL IN, special_features: 0.150 IN. DIA,FOUR MTG HOLES LOCATED ON FRAME 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 5330-00-079-7030, 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
57856
NSN: 5330-00-079-7030
FSC: 5330
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
materialALUMINUM FILTERING MEDIUM
design_typeREUSABLE
overall_width4.690 INCHES NOMINAL IN
wire_diameter0.012 INCHES NOMINAL IN
body_thickness0.062 INCHES NOMINAL IN
special_features0.150 IN. DIA,FOUR MTG HOLES LOCATED ON FRAME IN
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length4.690 INCHES NOMINAL IN
filtering_media_designMESH FIRST FILTERING MEDIA RESPONSE
NSN5330-00-079-7030
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57856 MFR: Motorola ⚠ 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
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
PERIPHERAL DIAMETER: 0.250 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.063 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC OVERALL
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CENTER HOLE DIAMETER: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER0.250 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.063 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CENTER HOLE DIAMETER0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
293931PC1Interchangeable
interchangeable cross-reference
interchangeable
B57856Interchangeable
interchangeable cross-reference
interchangeable
57856Interchangeable
interchangeable cross-reference
interchangeable
501015Interchangeable
interchangeable cross-reference
interchangeable
32141-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57856?
57856 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by Motorola.
What parts can replace 57856?
There are 5 known substitutes for 57856: 293931PC1, B57856, 57856 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57856?
57856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-079-7030. This indicates validated use in U.S. government and defense supply chains.
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