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11662555 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11662555: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, thread_size: 5/16-18, shank_length: 1.750 INCHES NOMINAL IN, overall_height: 2.130 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP THREADED STUD, outside/top_flange_diameter: 1.130 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-429-1650, 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
11662555
NSN: 5340-00-429-1650
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
thread_size5/16-18
shank_length1.750 INCHES NOMINAL IN
overall_height2.130 INCHES NOMINAL IN
style_designatorFLAT RECESSED TOP THREADED STUD
outside/top_flange_diameter1.130 INCHES NOMINAL IN
material_document_and_classificationMIL-STD-417, TYPE R, CLASS RS, GRADE RS625BH MIL STD SINGLE MATERIAL RESPONSE
NSN5340-00-429-1650
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11662555 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: 1.130 INCHES NOMINAL IN
•
SHANK LENGTH: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP THREADED STUD
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417, TYPE R, CLASS RS, GRADE RS625BH MIL STD SINGLE MATERIAL RESPONSE
•
THREAD SIZE: 5/16-18
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.130 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.130 INCHES NOMINAL IN
SHANK LENGTH1.750 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP THREADED STUD
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417, TYPE R, CLASS RS, GRADE RS625BH MIL STD SINGLE MATERIAL RESPONSE
THREAD SIZE5/16-18
MATERIALRUBBER SYNTHETIC
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
976836Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11662555?
11662555 is a BUMPER.
What parts can replace 11662555?
There is 1 known substitute for 11662555: 976836. Substitute compatibility should be verified for your specific system.
What is the NSN for 11662555?
11662555 is cataloged in the U.S. Government catalog under NSN 5340-00-429-1650. This indicates validated use in U.S. government and defense supply chains.
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