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PartsTable / COMPONENT / 291-102
291-102 ✓ 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

The PLUG,TIP is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY FINGER, body_style: STRAIGHT HANDLE, body_length: 0.625 INCHES NOMINAL IN, finger_type: BANANA SPRING SINGLE FINGER, finger_length: 0.406 INCHES NOMINAL SINGLE FINGER IN, terminal_type: SOLDER WELL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-256-9402, 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
291-102
NSN: 5340-00-256-9402
FSC: 5340
CAGE: 92555 — THE LEE CO DBA THE LEE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY FINGER
body_styleSTRAIGHT HANDLE
body_length0.625 INCHES NOMINAL IN
finger_typeBANANA SPRING SINGLE FINGER
finger_length0.406 INCHES NOMINAL SINGLE FINGER IN
terminal_typeSOLDER WELL
overall_length1.188 INCHES NOMINAL IN
finger_diameter0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM SINGLE FINGER IN
overall_diameter0.250 INCHES NOMINAL IN
special_featuresSTAINLESS STEEL PLUG AND DRIVE PIN, FOR USE IN 0.250 IN. MAX DRILLED HOLE, OD OF PLUG 0.2912 MAX IN. IN
surface_treatmentNICKEL FINGER
current_rating_in_amps10.0
NSN5340-00-256-9402
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 291-102 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 (FLIS)
SPECIAL FEATURESSTAINLESS STEEL PLUG AND DRIVE PIN, FOR USE IN 0.250 IN. MAX DRILLED HOLE, OD OF PLUG 0.2912 MAX IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
291REDInterchangeable
interchangeable cross-reference
interchangeable
291-102Interchangeable
interchangeable cross-reference
interchangeable
955104-29Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 291-102?
291-102 is a PLUG,TIP.
What parts can replace 291-102?
There are 3 known substitutes for 291-102: 291RED, 291-102, 955104-29. Substitute compatibility should be verified for your specific system.
What is the NSN for 291-102?
291-102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-256-9402. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026