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PartsTable / COMPONENT / 97121-410R
97121-410R ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: FRICTION, overall_diameter: 0.809 INCHES MINIMUM AND 0.871 INCHES MAXIMUM IN, inside_diameter_length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, round_cap_outside_surface_condition: SMOOTH, material_document_and_classification: L-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-211-8188, 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
97121-410R
NSN: 5340-00-211-8188
FSC: 5340
CAGE: 02660 — AMPHENOL CORP SPECTRA-STRIP/ITD (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeFRICTION
overall_diameter0.809 INCHES MINIMUM AND 0.871 INCHES MAXIMUM IN
inside_diameter_length0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
round_cap_outside_surface_conditionSMOOTH
material_document_and_classificationL-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed0.595 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
NSN5340-00-211-8188
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 97121-410R 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
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.595 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
•
DESIGN TYPE: FRICTION
•
INSIDE DIAMETER LENGTH: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.809 INCHES MINIMUM AND 0.871 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC, POLYETHYLENE (PP)
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.595 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
DESIGN TYPEFRICTION
INSIDE DIAMETER LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
OVERALL DIAMETER0.809 INCHES MINIMUM AND 0.871 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS90376-14RUpgraded Successor
successor cross-reference
successor
494115000600Upgraded Successor
successor cross-reference
successor
MIL-C-5501Upgraded Successor
successor cross-reference
successor
MS90376-10RUpgraded Successor
successor cross-reference
successor
MS90376-9RUpgraded Successor
successor cross-reference
successor
686B012810Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 97121-410R?
97121-410R is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 97121-410R?
There are 13 known substitutes for 97121-410R: MS90376-14R, 494115000600, MIL-C-5501 and 10 more. Substitute compatibility should be verified for your specific system.
Is 97121-410R still available?
97121-410R is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026