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12984575 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12984575: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_depth: 3.5 MILLIMETERS NOMINAL MM, hole_diameter: 54.0 MILLIMETERS NOMINAL MM, overall_height: 29.5 MILLIMETERS NOMINAL MM, style_designator: FLAT TOP COUNTERSUNK COUNTERBORED, countersink_depth: 7.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-445-3310, 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
12984575
NSN: 5340-01-445-3310
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialRUBBER
hole_depth3.5 MILLIMETERS NOMINAL MM
hole_diameter54.0 MILLIMETERS NOMINAL MM
overall_height29.5 MILLIMETERS NOMINAL MM
style_designatorFLAT TOP COUNTERSUNK COUNTERBORED
countersink_depth7.0 MILLIMETERS NOMINAL MM
first_counterbore_depth20.0 MILLIMETERS MINIMUM AND 20.3 MILLIMETERS MAXIMUM MM
first_counterbore_diameter64.0 MILLIMETERS NOMINAL MM
outside/top_flange_diameter66.0 MILLIMETERS NOMINAL MM
largest_countersink_diameter62.0 MILLIMETERS NOMINAL MM
smallest_countersink_diameter60.0 MILLIMETERS NOMINAL MM
NSN5340-01-445-3310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12984575 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: 66.0 MILLIMETERS NOMINAL MM
•
LARGEST COUNTERSINK DIAMETER: 62.0 MILLIMETERS NOMINAL MM
•
HOLE DEPTH: 3.5 MILLIMETERS NOMINAL MM
•
FIRST COUNTERBORE DIAMETER: 64.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: FLAT TOP COUNTERSUNK COUNTERBORED
•
COUNTERSINK DEPTH: 7.0 MILLIMETERS NOMINAL MM
•
FIRST COUNTERBORE DEPTH: 20.0 MILLIMETERS MINIMUM AND 20.3 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT29.5 MILLIMETERS NOMINAL MM
OUTSIDE/TOP FLANGE DIAMETER66.0 MILLIMETERS NOMINAL MM
LARGEST COUNTERSINK DIAMETER62.0 MILLIMETERS NOMINAL MM
HOLE DEPTH3.5 MILLIMETERS NOMINAL MM
FIRST COUNTERBORE DIAMETER64.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORFLAT TOP COUNTERSUNK COUNTERBORED
COUNTERSINK DEPTH7.0 MILLIMETERS NOMINAL MM
FIRST COUNTERBORE DEPTH20.0 MILLIMETERS MINIMUM AND 20.3 MILLIMETERS MAXIMUM MM
SMALLEST COUNTERSINK DIAMETER60.0 MILLIMETERS NOMINAL MM
MATERIALRUBBER
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 1
BIF-30060Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12984575?
12984575 is a BUMPER.
What parts can replace 12984575?
There is 1 known substitute for 12984575: BIF-30060. Substitute compatibility should be verified for your specific system.
What is the NSN for 12984575?
12984575 is cataloged in the U.S. Government catalog under NSN 5340-01-445-3310. This indicates validated use in U.S. government and defense supply chains.
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