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PartsTable / COMPONENT / 70-100744
70-100744 ✓ 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 BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_height: 0.410 INCHES NOMINAL IN, groove_diameter: 0.120 INCHES NOMINAL IN, style_designator: DOUBLE FLANGE, top_flange_width: 0.160 INCHES NOMINAL IN, bottom_flange_width: 0.190 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 5340-00-844-4285, 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
70-100744
NSN: 5340-00-844-4285
FSC: 5340
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height0.410 INCHES NOMINAL IN
groove_diameter0.120 INCHES NOMINAL IN
style_designatorDOUBLE FLANGE
top_flange_width0.160 INCHES NOMINAL IN
bottom_flange_width0.190 INCHES NOMINAL IN
bottom_flange_diameter0.250 INCHES NOMINAL IN
material_hardness_rating85.0 DUROMETER MINIMUM AND 90.0 DUROMETER MAXIMUM
outside/top_flange_diameter0.500 INCHES NOMINAL IN
NSN5340-00-844-4285
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 70-100744 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
•
GROOVE DIAMETER: 0.120 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
•
OUTSIDE/TOP FLANGE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
MATERIAL HARDNESS RATING: 85.0 DUROMETER MINIMUM AND 90.0 DUROMETER MAXIMUM
•
BOTTOM FLANGE WIDTH: 0.190 INCHES NOMINAL IN
•
TOP FLANGE WIDTH: 0.160 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GROOVE DIAMETER0.120 INCHES NOMINAL IN
OVERALL HEIGHT0.410 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
OUTSIDE/TOP FLANGE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGE
MATERIAL HARDNESS RATING85.0 DUROMETER MINIMUM AND 90.0 DUROMETER MAXIMUM
BOTTOM FLANGE WIDTH0.190 INCHES NOMINAL IN
TOP FLANGE WIDTH0.160 INCHES NOMINAL IN
BOTTOM FLANGE DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
11782Interchangeable
interchangeable cross-reference
interchangeable
6301-3005854PC24Interchangeable
interchangeable cross-reference
interchangeable
K943ITEM1Interchangeable
interchangeable cross-reference
interchangeable
6307-3005864PC24Interchangeable
interchangeable cross-reference
interchangeable
722870-2Interchangeable
interchangeable cross-reference
interchangeable
722870-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70-100744?
70-100744 is a BUMPER.
What parts can replace 70-100744?
There are 10 known substitutes for 70-100744: 11782, 6301-3005854PC24, K943ITEM1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70-100744?
70-100744 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-844-4285. 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