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Technical Data Sheet
PartsTable / COMPONENT / MIL-R-6855E
MIL-R-6855E ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

NONMETALLIC SPECIAL SHAPED SECTI. Key specifications include width: 36.000 INCHES NOMINAL IN, length: 36.000 INCHES NOMINAL IN, thickness: 0.625 INCHES NOMINAL IN, surface_condition: SMOOTH BOTH SIDES, environmental_protection: OZONE RESISTANT, minimum_tensile_strength: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-143-0261, 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
MIL-R-6855E
NSN: 5325-00-143-0261
FSC: 5325
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
width36.000 INCHES NOMINAL IN
length36.000 INCHES NOMINAL IN
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER CHLOROPRENE CLASS CR OR RUBBER BUTADIENE-STYRENE CLASS SBR LOCATION NOT OTHERWISE SPECIFIED
thickness0.625 INCHES NOMINAL IN
surface_conditionSMOOTH BOTH SIDES
environmental_protectionOZONE RESISTANT
minimum_tensile_strengthERR-060
nonmetallic_hardness_rating40.0 NOMINAL SHORE DUROMETER A
specification/standard_data81349-MIL-PRF-6855/1 GOVERNMENT SPECIFICATION
material_document_and_classificationMIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5325-00-143-0261
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-R-6855E · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GROMMET STYLE: ROUND
•
GROOVE WIDTH: 0.562 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.120 INCHES NOMINAL IN
•
GROOVE OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SPLIT
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 1.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GROMMET STYLEROUND
GROOVE WIDTH0.562 INCHES NOMINAL IN
FLANGE THICKNESS0.120 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESPLIT
HOLE DIAMETER0.250 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER1.120 INCHES NOMINAL IN
OVERALL HEIGHT0.810 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
S1104820Interchangeable
interchangeable cross-reference
interchangeable
ASO-223-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-6855EInterchangeable
interchangeable cross-reference
interchangeable
4261Interchangeable
interchangeable cross-reference
interchangeable
149-149Interchangeable
interchangeable cross-reference
interchangeable
149-0149Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-6855E?
MIL-R-6855E is a NONMETALLIC SPECIAL SHAPED SECTI.
What parts can replace MIL-R-6855E?
There are 18 known substitutes for MIL-R-6855E: S1104820, ASO-223-1, MIL-R-6855E and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-6855E?
MIL-R-6855E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-143-0261. 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