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6688931 — PAD,CUSHIONING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6688931: PAD,CUSHIONING.

The PAD,CUSHIONING is a the manufacturer industrial component. Key specifications include width: 3.370 INCHES NOMINAL IN, length: 4.000 INCHES NOMINAL IN, material: RUBBER CHLOROPRENE CLASS CR OR RUBBER BUTADIENE-STYRENE CLASS SBR CUSHIONING, thickness: 0.650 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SUPPORT PAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-612-6549, 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
6688931
NSN: 5340-01-612-6549
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width3.370 INCHES NOMINAL IN
length4.000 INCHES NOMINAL IN
materialRUBBER CHLOROPRENE CLASS CR OR RUBBER BUTADIENE-STYRENE CLASS SBR CUSHIONING
thickness0.650 INCHES NOMINAL IN
material_document_and_classificationMIL-R-6855, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-G-1149, TYPE 1, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE CUSHIONING
part_name_assigned_by_controlling_agencySUPPORT PAD
NSN5340-01-612-6549
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6688931 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
•
LENGTH: 4.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-G-1149, TYPE 1, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE CUSHIONING
•
WIDTH: 3.370 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OR RUBBER BUTADIENE-STYRENE CLASS SBR CUSHIONING
•
THICKNESS: 0.650 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH4.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-G-1149, TYPE 1, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE CUSHIONING
WIDTH3.370 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSUPPORT PAD
MATERIALRUBBER CHLOROPRENE CLASS CR OR RUBBER BUTADIENE-STYRENE CLASS SBR CUSHIONING
THICKNESS0.650 INCHES NOMINAL IN
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
EX8331-028Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6688931?
6688931 is a PAD,CUSHIONING.
What parts can replace 6688931?
There is 1 known substitute for 6688931: EX8331-028. Substitute compatibility should be verified for your specific system.
What is the NSN for 6688931?
6688931 is cataloged in the U.S. Government catalog under NSN 5340-01-612-6549. This indicates validated use in U.S. government and defense supply chains.
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