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8438468 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8438468: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL, thread_size: 3/8-16, shank_length: 0.620 INCHES NOMINAL IN, overall_height: 1.190 INCHES NOMINAL IN, style_designator: TIPPED THREADED STUD, material_hardness_rating: 50.0 SHORE DUROMETER A MINIMUM AND 60.0 SHORE DUROMETER A MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-124-7491, 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
8438468
NSN: 5340-00-124-7491
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL
thread_size3/8-16
shank_length0.620 INCHES NOMINAL IN
overall_height1.190 INCHES NOMINAL IN
style_designatorTIPPED THREADED STUD
material_hardness_rating50.0 SHORE DUROMETER A MINIMUM AND 60.0 SHORE DUROMETER A MAXIMUM
outside/top_flange_diameter1.800 INCHES NOMINAL IN
NSN5340-00-124-7491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8438468 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
•
OUTSIDE/TOP FLANGE DIAMETER: 1.800 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 50.0 SHORE DUROMETER A MINIMUM AND 60.0 SHORE DUROMETER A MAXIMUM
•
SHANK LENGTH: 0.620 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TIPPED THREADED STUD
•
THREAD SIZE: 3/8-16
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.190 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.800 INCHES NOMINAL IN
MATERIAL HARDNESS RATING50.0 SHORE DUROMETER A MINIMUM AND 60.0 SHORE DUROMETER A MAXIMUM
SHANK LENGTH0.620 INCHES NOMINAL IN
STYLE DESIGNATORTIPPED THREADED STUD
THREAD SIZE3/8-16
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8438468?
8438468 is a BUMPER.
What is the NSN for 8438468?
8438468 is cataloged in the U.S. Government catalog under NSN 5340-00-124-7491. This indicates validated use in U.S. government and defense supply chains.
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