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9677K24 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9677K24: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include hole_diameter: 0.55 INCHES NOMINAL IN, overall_height: 1.99 INCHES MINIMUM AND 2.05 INCHES MAXIMUM IN, style_designator: FLAT TOP COUNTERBORED, first_counterbore_depth: 1.055 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN, first_counterbore_diameter: 1.14 INCHES MINIMUM AND 1.18 INCHES MAXIMUM IN, outside/top_flange_diameter: 2.22 INCHES MINIMUM AND 2.28 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-531-3970, 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
9677K24
NSN: 5340-01-531-3970
NIINs: 015313970, 016204060
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
hole_diameter0.55 INCHES NOMINAL IN
overall_height1.99 INCHES MINIMUM AND 2.05 INCHES MAXIMUM IN
style_designatorFLAT TOP COUNTERBORED
first_counterbore_depth1.055 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
first_counterbore_diameter1.14 INCHES MINIMUM AND 1.18 INCHES MAXIMUM IN
outside/top_flange_diameter2.22 INCHES MINIMUM AND 2.28 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyBUMPER
NSN5340-01-531-3970
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9677K24 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
SUBSTITUTES & CROSS-REFERENCES 2
6438356-01M1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6438356Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 9677K24?
9677K24 is a BUMPER.
What parts can replace 9677K24?
There are 2 known substitutes for 9677K24: 6438356-01M1, 6438356. Substitute compatibility should be verified for your specific system.
What is the NSN for 9677K24?
9677K24 is cataloged in the U.S. Government catalog under NSN 5340-01-531-3970. This indicates validated use in U.S. government and defense supply chains.
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