PartsTable
Technical Data Sheet
1857086-2 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, thread_class: 2B, thread_series: UNS, overall_height: 0.750 INCHES NOMINAL IN, mounting_method: NUT(S), special_features: ALUMINUM INTEGRAL COUPLING NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-201-8826, 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
1857086-2
NSN: 5340-00-201-8826
FSC: 5340
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
thread_class2B
thread_seriesUNS
overall_height0.750 INCHES NOMINAL IN
mounting_methodNUT(S)
special_featuresALUMINUM INTEGRAL COUPLING NUT
style_designatorCLOSED END
nominal_thread_size0.687 INCHES IN
base_thread_locationINTERNAL
fsc_application_dataCONTROL,COMMANDERS,LASER RANGING
body_outside_diameter1.000 INCHES NOMINAL IN
mounting_device_quantity1
NSN5340-00-201-8826
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1857086-2 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
MOUNTING METHOD: NUT(S)
NOMINAL THREAD SIZE: 0.687 INCHES IN
MOUNTING DEVICE QUANTITY: 1
THREAD SERIES: UNS
BODY OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODNUT(S)
SPECIAL FEATURESALUMINUM INTEGRAL COUPLING NUT
NOMINAL THREAD SIZE0.687 INCHES IN
OVERALL HEIGHT0.750 INCHES NOMINAL IN
MOUNTING DEVICE QUANTITY1
THREAD SERIESUNS
BODY OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
BASE THREAD LOCATIONINTERNAL
MATERIALRUBBER SILICONE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
35753Upgraded Successor
successor cross-reference
successor
6642Upgraded Successor
successor cross-reference
successor
W312Upgraded Successor
successor cross-reference
successor
78CInterchangeable
interchangeable cross-reference
interchangeable
3080Interchangeable
interchangeable cross-reference
interchangeable
60-880Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1857086-2?
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 1857086-2?
1857086-2 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 1857086-2?
There are 21 known substitutes for 1857086-2: 35753, 6642, W312 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1857086-2?
1857086-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-201-8826. This indicates validated use in U.S. government and defense supply chains.
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 — 1857086-2