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9546K51 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9546K51: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: STEEL AND RUBBER POLYURETHANE, hole_depth: 0.500 INCHES NOMINAL IN, thread_size: 3/8-16, overall_height: 1.250 INCHES NOMINAL IN, style_designator: ROUND TOP THREADED INSERT, outside/top_flange_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-620-3205, 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
9546K51
NSN: 5340-01-620-3205
FSC: 5340 — Hardware, Commercial
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
materialSTEEL AND RUBBER POLYURETHANE
hole_depth0.500 INCHES NOMINAL IN
thread_size3/8-16
overall_height1.250 INCHES NOMINAL IN
style_designatorROUND TOP THREADED INSERT
outside/top_flange_diameter1.250 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyROUND BUMPER
NSN5340-01-620-3205
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9546K51 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: 1.250 INCHES NOMINAL IN
•
HOLE DEPTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND TOP THREADED INSERT
•
THREAD SIZE: 3/8-16
•
MATERIAL: STEEL AND RUBBER POLYURETHANE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.250 INCHES NOMINAL IN
HOLE DEPTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORROUND TOP THREADED INSERT
THREAD SIZE3/8-16
PART NAME ASSIGNED BY CONTROLLING AGENCYROUND BUMPER
MATERIALSTEEL AND RUBBER POLYURETHANE
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 9546K51?
9546K51 is a BUMPER.
What is the NSN for 9546K51?
9546K51 is cataloged in the U.S. Government catalog under NSN 5340-01-620-3205. 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.