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Technical Data Sheet
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57711L1 — RING,BASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

57711L1: RING,BASE.

The RING,BASE is a the manufacturer industrial component. Key specifications include end_item_identification: PUMP ASSEMBLY TORPEDO EJECTION, criticality_code_justification: ZZZY, general_characteristics_item_description: 9.300 IN. OD,6.999 IN.

ID,0.500 IN LG IN, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. This part is cataloged in the U.S. Government catalog under NSN 5330-01-347-4457, 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
57711L1
NSN: 5330-01-347-4457
FSC: 5330 — Packing and Gasket Materials
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationPUMP ASSEMBLY TORPEDO EJECTION
criticality_code_justificationZZZY
general_characteristics_item_description9.300 IN. OD,6.999 IN. ID,0.500 IN LG IN
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN5330-01-347-4457
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57711L1 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 9.300 IN. OD,6.999 IN. ID,0.500 IN LG IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION9.300 IN. OD,6.999 IN. ID,0.500 IN LG IN
CRITICALITY CODE JUSTIFICATIONZZZY
END ITEM IDENTIFICATIONPUMP ASSEMBLY TORPEDO EJECTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
SUBSTITUTES & CROSS-REFERENCES 3
57711Reference document
Same NSN cross-reference
Reference document — Secondary reference
3181006Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
3181006L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 57711L1?
57711L1 is a RING,BASE.
What parts can replace 57711L1?
There are 3 known substitutes for 57711L1: 57711, 3181006, 3181006L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 57711L1?
57711L1 is cataloged in the U.S. Government catalog under NSN 5330-01-347-4457. This indicates validated use in U.S. government and defense supply chains.
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