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211055116 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211055116: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.285 INCHES NOMINAL IN, overall_height: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, special_features: MATERIAL-FLUOROCARBON ELASTOMER RUBBER MIL-R-83248, style_designator: FLAT TOP COUNTERBORED, end_item_identification: VALVE,BALL X SWING CHECK,2 & 2 1/2 INCH CUNI BODY-SEAWATER SERVICE IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-370-7405, 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
211055116
NSN: 5340-01-370-7405
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.285 INCHES NOMINAL IN
overall_height0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
special_featuresMATERIAL-FLUOROCARBON ELASTOMER RUBBER MIL-R-83248
style_designatorFLAT TOP COUNTERBORED
end_item_identificationVALVE,BALL X SWING CHECK,2 & 2 1/2 INCH CUNI BODY-SEAWATER SERVICE IN
first_counterbore_depth0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
first_counterbore_diameter0.420 INCHES NOMINAL IN
outside/top_flange_diameter1.294 INCHES NOMINAL IN
NSN5340-01-370-7405
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211055116 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: 1.294 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 0.420 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
OUTSIDE/TOP FLANGE DIAMETER1.294 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER0.420 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL-FLUOROCARBON ELASTOMER RUBBER MIL-R-83248
END ITEM IDENTIFICATIONVALVE,BALL X SWING CHECK,2 & 2 1/2 INCH CUNI BODY-SEAWATER SERVICE IN
MATERIALRUBBER
HOLE DIAMETER0.285 INCHES NOMINAL IN
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 2
801-6408779-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF330636 FN-10Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 211055116?
211055116 is a BUMPER.
What parts can replace 211055116?
There are 2 known substitutes for 211055116: 801-6408779-10, DF330636 FN-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 211055116?
211055116 is cataloged in the U.S. Government catalog under NSN 5340-01-370-7405. This indicates validated use in U.S. government and defense supply chains.
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