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LO1664 — RUBBER ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LO1664: RUBBER ROUND SECTION.

The RUBBER ROUND SECTION is a the manufacturer industrial component. Key specifications include length: 23.875 INCHES MINIMUM AND 24.125 INCHES MAXIMUM IN, material: RUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED, surface_condition: SMOOTH BOTH SIDES, special_test_features: SPECIAL QUALITY CONTROL TESTING, cross-sectional_shape_style: CIRCULAR, nonmetallic_hardness_rating: 65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-243-1469, 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
LO1664
NSN: 5330-01-243-1469
FSC: 5330 — Packing and Gasket Materials
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
length23.875 INCHES MINIMUM AND 24.125 INCHES MAXIMUM IN
materialRUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED
surface_conditionSMOOTH BOTH SIDES
special_test_featuresSPECIAL QUALITY CONTROL TESTING
cross-sectional_shape_styleCIRCULAR
nonmetallic_hardness_rating65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A
criticality_code_justificationZZZY
cross_section_outside_diameter0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
material_document_and_classificationZZ-R-765,CLASS 2A,GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE OR S701-4,CAGEC 97112 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED A
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTR0L PROVISIONS
NSN5330-01-243-1469
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LO1664 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: 23.875 INCHES MINIMUM AND 24.125 INCHES MAXIMUM IN
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CLASS 2A,GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE OR S701-4,CAGEC 97112 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED A
•
SURFACE CONDITION: SMOOTH BOTH SIDES
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
•
CROSS SECTION OUTSIDE DIAMETER: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TECHNICAL CHARACTERISTICS
LENGTH23.875 INCHES MINIMUM AND 24.125 INCHES MAXIMUM IN
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CLASS 2A,GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE OR S701-4,CAGEC 97112 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED A
SURFACE CONDITIONSMOOTH BOTH SIDES
CROSS-SECTIONAL SHAPE STYLECIRCULAR
CROSS SECTION OUTSIDE DIAMETER0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MATERIALRUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED
NONMETALLIC HARDNESS RATING65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A
SUBSTITUTES & CROSS-REFERENCES 3
LL-HX4-6897Reference document
Same NSN cross-reference
Reference document — Secondary reference
LL-HX4-6847Reference document
Same NSN cross-reference
Reference document — Secondary reference
121571-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LO1664?
LO1664 is a RUBBER ROUND SECTION.
What parts can replace LO1664?
There are 3 known substitutes for LO1664: LL-HX4-6897, LL-HX4-6847, 121571-1. Substitute compatibility should be verified for your specific system.
What is the NSN for LO1664?
LO1664 is cataloged in the U.S. Government catalog under NSN 5330-01-243-1469. This indicates validated use in U.S. government and defense supply chains.
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