PartsTable / COMPONENT / 81-3/4
81-3/4
✓ 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 81-3/4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-4140, 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
81-3/4
NSN: 5340-00-290-4140 FSC: 5340 CAGE: 6V503 — LASER SCIENCE INC (USA)
SPECIFICATIONS
Part Number 81-3/4 NSN 5340-00-290-4140
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 81-3/4
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
• NONMACHINE THREAD STYLE: WOOD SCREW (TYPE WD)
• MATERIAL: COPPER ALLOY OVERALL
• STYLE DESIGNATOR: ROUND BEND
• NONMACHINE NOMINAL THREAD DIAMETER: 0.099 INCHES IN
• PROJECTION LENGTH: 0.750 INCHES NOMINAL IN
• WIRE DIAMETER: 0.092 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONMACHINE THREAD STYLE WOOD SCREW (TYPE WD) MATERIAL COPPER ALLOY OVERALL STYLE DESIGNATOR ROUND BEND NONMACHINE NOMINAL THREAD DIAMETER 0.099 INCHES IN OVERALL LENGTH 1.188 INCHES NOMINAL IN PROJECTION LENGTH 0.750 INCHES NOMINAL IN WIRE DIAMETER 0.092 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8134 Interchangeable interchangeable cross-reference
interchangeable
01001009 Interchangeable interchangeable cross-reference
interchangeable
XH-5519 Interchangeable interchangeable cross-reference
interchangeable
K82373SUB6PT6 Interchangeable interchangeable cross-reference
interchangeable
201-11-01-001 Interchangeable interchangeable cross-reference
interchangeable
SMB157614 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81-3/4?
81-3/4 is a 81-3/4.
What parts can replace 81-3/4?
There are 15 known substitutes for 81-3/4: 8134, 01001009, XH-5519 and 12 more. Substitute compatibility should be verified for your specific system.
Is 81-3/4 still available?
81-3/4 is currently cancelled.