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11B5091817 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11B5091817: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER AND STEEL, hole_diameter: 0.218 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, style_designator: FLAT TOP COUNTERBORED, first_counterbore_depth: 0.563 INCHES NOMINAL IN, first_counterbore_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-573-3344, 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
11B5091817
NSN: 5340-01-573-3344
FSC: 5340 — Hardware, Commercial
CAGE: 5B5M3 — DEVCOM CHEMICAL BIOLOGICAL CENTER DBA CHEMICAL BIOLOGICAL CENTER DIV U.S. DEPT OF ARMY (USA)
SPECIFICATIONS
materialRUBBER AND STEEL
hole_diameter0.218 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
style_designatorFLAT TOP COUNTERBORED
first_counterbore_depth0.563 INCHES NOMINAL IN
first_counterbore_diameter0.375 INCHES NOMINAL IN
outside/top_flange_diameter1.000 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyMIL SPEC BUMPER WITH UNTHREADED THROUGH HOLE
NSN5340-01-573-3344
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11B5091817 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: 1.000 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.563 INCHES NOMINAL IN
•
COLOR: BLACK
•
MATERIAL: RUBBER AND STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.000 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.000 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER0.375 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.563 INCHES NOMINAL IN
COLORBLACK
PART NAME ASSIGNED BY CONTROLLING AGENCYMIL SPEC BUMPER WITH UNTHREADED THROUGH HOLE
MATERIALRUBBER AND STEEL
HOLE DIAMETER0.218 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11B5091817?
11B5091817 is a BUMPER.
What is the NSN for 11B5091817?
11B5091817 is cataloged in the U.S. Government catalog under NSN 5340-01-573-3344. This indicates validated use in U.S. government and defense supply chains.
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