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M3543-02 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M3543-02: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, hole_diameter: 0.070 INCHES NOMINAL IN, overall_height: 0.120 INCHES NOMINAL IN, style_designator: FLAT TOP COUNTERBORED, first_counterbore_depth: 0.050 INCHES NOMINAL IN, outside/top_flange_diameter: 0.157 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-106-3402, 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
M3543-02
NSN: 5340-00-106-3402
FSC: 5340 — Hardware, Commercial
CAGE: 08AF1 — KELLY MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
hole_diameter0.070 INCHES NOMINAL IN
overall_height0.120 INCHES NOMINAL IN
style_designatorFLAT TOP COUNTERBORED
first_counterbore_depth0.050 INCHES NOMINAL IN
outside/top_flange_diameter0.157 INCHES NOMINAL IN
NSN5340-00-106-3402
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M3543-02 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: 0.157 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.050 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON
•
HOLE DIAMETER: 0.070 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.120 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.157 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.050 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON
HOLE DIAMETER0.070 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 M3543-02?
M3543-02 is a BUMPER.
What is the NSN for M3543-02?
M3543-02 is cataloged in the U.S. Government catalog under NSN 5340-00-106-3402. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.