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8803K91 — PAD,CUSHIONING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8803K91: PAD,CUSHIONING.

The PAD,CUSHIONING is a the manufacturer industrial component. Key specifications include shape: ROUND, length: 72.000 INCHES NOMINAL IN, diameter: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, temp_rating: -330.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, usage_design: TRAILER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-656-7622, 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
8803K91
NSN: 5340-01-656-7622
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
shapeROUND
length72.000 INCHES NOMINAL IN
diameter0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
temp_rating-330.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
usage_designTRAILER
end_item_identificationKC-46A SUPPORT EQUIPMENT A
vehicle_design_control_activity94861
part_name_assigned_by_controlling_agencyPAD, CUSHIONING PTFE
NSN5340-01-656-7622
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8803K91 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
•
TEMP RATING: -330.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
LENGTH: 72.000 INCHES NOMINAL IN
•
USAGE DESIGN: TRAILER
•
DIAMETER: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
SHAPE: ROUND
•
VEHICLE DESIGN CONTROL ACTIVITY: 94861
•
COLOR: WHITE
TECHNICAL CHARACTERISTICS
TEMP RATING-330.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
LENGTH72.000 INCHES NOMINAL IN
USAGE DESIGNTRAILER
DIAMETER0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
SHAPEROUND
VEHICLE DESIGN CONTROL ACTIVITY94861
COLORWHITE
PART NAME ASSIGNED BY CONTROLLING AGENCYPAD, CUSHIONING PTFE
END ITEM IDENTIFICATIONKC-46A SUPPORT EQUIPMENT A
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8803K91?
8803K91 is a PAD,CUSHIONING.
What is the NSN for 8803K91?
8803K91 is cataloged in the U.S. Government catalog under NSN 5340-01-656-7622. 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.