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3955AS721-1 — RUNNER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3955AS721-1: RUNNER.

The RUNNER is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSEMBLY;COMPRESSOR UNIT, end_item_identification: MAINTENANCE TRAILER, part_name_assigned_by_controlling_agency: SKID,185 CFM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-649-9751, 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
3955AS721-1
NSN: 5340-01-649-9751
FSC: 5340 — Hardware, Commercial
CAGE: 550C1 — CAROLINA GROWLER INC DIV GROWLER MANUFACTURING AND ENGINEERING (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY;COMPRESSOR UNIT
end_item_identificationMAINTENANCE TRAILER
part_name_assigned_by_controlling_agencySKID,185 CFM
NSN5340-01-649-9751
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3955AS721-1 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNEXT HIGHER ASSEMBLY;COMPRESSOR UNIT
PART NAME ASSIGNED BY CONTROLLING AGENCYSKID,185 CFM
END ITEM IDENTIFICATIONMAINTENANCE TRAILER
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 3955AS721-1?
3955AS721-1 is a RUNNER.
What is the NSN for 3955AS721-1?
3955AS721-1 is cataloged in the U.S. Government catalog under NSN 5340-01-649-9751. This indicates validated use in U.S. government and defense supply chains.
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