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BUT4161 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BUT4161: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_height: 0.344 INCHES NOMINAL IN, groove_diameter: 0.188 INCHES NOMINAL IN, style_designator: DOUBLE FLANGE, top_flange_width: 0.125 INCHES NOMINAL IN, bottom_flange_width: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-005-0780, 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
BUT4161
NSN: 5340-01-005-0780
FSC: 5340 — Hardware, Commercial
CAGE: 54481 — RUSSELL INDUSTRIES INC DBA RUSSELL INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height0.344 INCHES NOMINAL IN
groove_diameter0.188 INCHES NOMINAL IN
style_designatorDOUBLE FLANGE
top_flange_width0.125 INCHES NOMINAL IN
bottom_flange_width0.125 INCHES NOMINAL IN
bottom_flange_diameter0.250 INCHES NOMINAL IN
material_hardness_rating60.0 DUROMETER NOMINAL
outside/top_flange_diameter0.375 INCHES NOMINAL IN
NSN5340-01-005-0780
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BUT4161 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
•
BOTTOM FLANGE DIAMETER: 0.250 INCHES NOMINAL IN
•
OUTSIDE/TOP FLANGE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 60.0 DUROMETER NOMINAL
•
GROOVE DIAMETER: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
BOTTOM FLANGE WIDTH: 0.125 INCHES NOMINAL IN
•
TOP FLANGE WIDTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOTTOM FLANGE DIAMETER0.250 INCHES NOMINAL IN
OVERALL HEIGHT0.344 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.375 INCHES NOMINAL IN
MATERIAL HARDNESS RATING60.0 DUROMETER NOMINAL
GROOVE DIAMETER0.188 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGE
BOTTOM FLANGE WIDTH0.125 INCHES NOMINAL IN
TOP FLANGE WIDTH0.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BUT4161?
BUT4161 is a BUMPER.
What is the NSN for BUT4161?
BUT4161 is cataloged in the U.S. Government catalog under NSN 5340-01-005-0780. This indicates validated use in U.S. government and defense supply chains.
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