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Technical Data Sheet
PartsTable / COMPONENT / K28-10731-05
K28-10731-05 ✓ 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 BODY, base_width: 2.656 INCHES NOMINAL IN, overall_height: 0.875 INCHES NOMINAL IN, mounting_method: SCREW, special_features: STEEL FRAME, style_designator: THRU-HOLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-952-9540, 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
K28-10731-05
NSN: 5340-00-952-9540
FSC: 5340
CAGE: 0K0L1 — KLINGE CORPORATION DBA KLINGE CORP (USA)
SPECIFICATIONS
materialRUBBER BODY
base_width2.656 INCHES NOMINAL IN
overall_height0.875 INCHES NOMINAL IN
mounting_methodSCREW
special_featuresSTEEL FRAME
style_designatorTHRU-HOLE
material_thickness0.045 INCHES NOMINAL IN
base_overall_length3.719 INCHES NOMINAL IN
material_document_and_classificationZZ-R-765,CLASS III,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE BODY
hazardous_locations/environmental_protectionDUSTTIGHT-NEMA TYPE 5 AND WATERTIGHT, MIL-B-5423
center_to_center_distance_between_mounting_facilities_parallel_to_width2.062 INCHES NOMINAL IN
center_to_center_distance_between_mounting_facilities_parallel_to_length0.750 INCHES NOMINAL IN
NSN5340-00-952-9540
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K28-10731-05 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
•
STYLE DESIGNATOR: THRU-HOLE
•
MATERIAL: RUBBER BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CLASS III,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MOUNTING METHOD: SCREW
•
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTTIGHT-NEMA TYPE 5 AND WATERTIGHT, MIL-B-5423
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORTHRU-HOLE
MATERIALRUBBER BODY
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CLASS III,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE BODY
SPECIAL FEATURESSTEEL FRAME
MOUNTING METHODSCREW
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONDUSTTIGHT-NEMA TYPE 5 AND WATERTIGHT, MIL-B-5423
OVERALL HEIGHT0.875 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.750 INCHES NOMINAL IN
BASE WIDTH2.656 INCHES NOMINAL IN
BASE OVERALL LENGTH3.719 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
11-1326Interchangeable
interchangeable cross-reference
interchangeable
5961008476841Interchangeable
interchangeable cross-reference
interchangeable
177610Interchangeable
interchangeable cross-reference
interchangeable
2N1671AInterchangeable
interchangeable cross-reference
interchangeable
IN-37237Interchangeable
Same NIIN cross-reference
interchangeable
NF00550Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K28-10731-05?
K28-10731-05 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace K28-10731-05?
There are 8 known substitutes for K28-10731-05: 11-1326, 5961008476841, 177610 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K28-10731-05?
K28-10731-05 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-952-9540. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026