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K175-70 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

K175-70: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, thread_size: 3/8-16 UNC-2A A, shank_length: 28.6 MILLIMETERS NOMINAL MM, overall_height: 47.700 MILLIMETERS NOMINAL MM, special_features: METRIC, style_designator: FLAT RECESSED TOP THREADED STUD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-522-1891, 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
K175-70
NSN: 5340-01-522-1891
FSC: 5340 — Hardware, Commercial
CAGE: 57839 — KARMAN RUBBER COMPANY (INC) (USA)
SPECIFICATIONS
materialRUBBER
thread_size3/8-16 UNC-2A A
shank_length28.6 MILLIMETERS NOMINAL MM
overall_height47.700 MILLIMETERS NOMINAL MM
special_featuresMETRIC
style_designatorFLAT RECESSED TOP THREADED STUD
end_item_identificationNSN: 2320-01-491-3436; TRUCK CHASSIS
outside/top_flange_diameter50.8 MILLIMETERS NOMINAL MM
NSN5340-01-522-1891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K175-70 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: 50.8 MILLIMETERS NOMINAL MM
•
SHANK LENGTH: 28.6 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: FLAT RECESSED TOP THREADED STUD
•
THREAD SIZE: 3/8-16 UNC-2A A
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT47.700 MILLIMETERS NOMINAL MM
OUTSIDE/TOP FLANGE DIAMETER50.8 MILLIMETERS NOMINAL MM
SHANK LENGTH28.6 MILLIMETERS NOMINAL MM
STYLE DESIGNATORFLAT RECESSED TOP THREADED STUD
THREAD SIZE3/8-16 UNC-2A A
SPECIAL FEATURESMETRIC
END ITEM IDENTIFICATIONNSN: 2320-01-491-3436; TRUCK CHASSIS
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
12485294Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 K175-70?
K175-70 is a BUMPER.
What parts can replace K175-70?
There is 1 known substitute for K175-70: 12485294. Substitute compatibility should be verified for your specific system.
What is the NSN for K175-70?
K175-70 is cataloged in the U.S. Government catalog under NSN 5340-01-522-1891. 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.