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5823K81 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5823K81: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_depth: 0.187 INCHES NOMINAL IN, thread_size: M4, overall_width: 0.625 INCHES NOMINAL IN, overall_length: 0.500 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-672-4488, 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
5823K81
NSN: 5340-01-672-4488
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER
hole_depth0.187 INCHES NOMINAL IN
thread_sizeM4
overall_width0.625 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
style_designatorFLAT RECESSED TOP
countersink_depth0.187 INCHES NOMINAL IN
NSN5340-01-672-4488
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5823K81 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
•
HOLE DEPTH: 0.187 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP
•
COUNTERSINK DEPTH: 0.187 INCHES NOMINAL IN
•
THREAD SIZE: M4
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
HOLE DEPTH0.187 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP
COUNTERSINK DEPTH0.187 INCHES NOMINAL IN
OVERALL LENGTH0.500 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
THREAD SIZEM4
COLORBLACK
SPECIAL FEATURESMOUNT TYPE:THREADED INSERT,CAPACITY PER MOUNT:20LBS,DEFLECTION @CAPACITY0.05",SHEAR CAPACITY:3LBS,HARDNESS:DUROMETER 50A,HARDNESS RATING:MEDIUM,TEMPERATURE RANGE:-10 DEGREES TO 150 DEGREES FAHRENHEIT,ROHS COMPLIANT,RESIS CORROSION FROM WATER AND MOST CHEMICALS,RUBBER IS RESISTANT TO TEARS AND ABRASION A
MATERIALRUBBER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5823K81?
5823K81 is a BUMPER.
What is the NSN for 5823K81?
5823K81 is cataloged in the U.S. Government catalog under NSN 5340-01-672-4488. This indicates validated use in U.S. government and defense supply chains.
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