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PartsTable / COMPONENT / 810728
810728 ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include height: 0.156 INCHES NOMINAL IN, diameter: 0.500 INCHES NOMINAL IN, material: STEEL COMP 1025 OVERALL, head_style: FLAT, chamfer_length: 0.109 INCHES NOMINAL IN, hardness_rating: 41.0 ROCKWELL C NOMINAL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-031-0601, 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
810728
NSN: 5340-00-031-0601
FSC: 5340
CAGE: 16058 — TELECTRO-MEK INC (USA)
SPECIFICATIONS
height0.156 INCHES NOMINAL IN
diameter0.500 INCHES NOMINAL IN
materialSTEEL COMP 1025 OVERALL
head_styleFLAT
chamfer_length0.109 INCHES NOMINAL IN
hardness_rating41.0 ROCKWELL C NOMINAL OVERALL
special_featuresFURNISHED WITH 1 COTTER PIN
style_designatorSTRAIGHT
pin_chamfer_angle15.0 DEGREES NOMINAL
pin_head_diameter0.625 INCHES NOMINAL IN
under_head_length1.453 INCHES NOMINAL IN
first_hole_diameter0.140 INCHES NOMINAL IN
NSN5340-00-031-0601
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 810728 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
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.235 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: ANODIZE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 1.437 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2024
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOLOR GOLD
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.235 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
DESIGN TYPEFRICTION
OVERALL DIAMETER1.437 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
48A2584Interchangeable
interchangeable cross-reference
interchangeable
810728Interchangeable
interchangeable cross-reference
interchangeable
D385Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 810728?
810728 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 810728?
There are 3 known substitutes for 810728: 48A2584, 810728, D385. Substitute compatibility should be verified for your specific system.
What is the NSN for 810728?
810728 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-031-0601. 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