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PartsTable / COMPONENT / 156PLT6
156PLT6 ✓ 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 MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 0.970 INCHES NOMINAL IN, material: ALUMINUM ALLOY OVERALL, flange_width: 1.750 INCHES NOMINAL IN, flange_length: 1.750 INCHES NOMINAL IN, inside_diameter: 0.257 INCHES NOMINAL IN, flange_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-076-7676, 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
156PLT6
NSN: 5340-00-076-7676
FSC: 5340
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)
SPECIFICATIONS
height0.970 INCHES NOMINAL IN
materialALUMINUM ALLOY OVERALL
flange_width1.750 INCHES NOMINAL IN
flange_length1.750 INCHES NOMINAL IN
inside_diameter0.257 INCHES NOMINAL IN
flange_thickness0.050 INCHES NOMINAL IN
style_designatorROUND W/BUSHING FOUR-HOLE FLANGE
surface_treatmentANODIZE AND CHROMATE OVERALL
distance_from_flange_to_end0.550 INCHES NOMINAL IN
flange_mounting_hole_diameter0.166 INCHES NOMINAL IN
distance_between_mounting_hole_centers1.375 INCHES NOMINAL IN
shortest_distance_between_mounting_hole_centers1.375 INCHES NOMINAL IN
NSN5340-00-076-7676
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 156PLT6 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
•
FLANGE WIDTH: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/BUSHING FOUR-HOLE FLANGE
•
FLANGE THICKNESS: 0.050 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE AND CHROMATE OVERALL
•
HEIGHT: 0.970 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.375 INCHES NOMINAL IN
•
FLANGE MOUNTING HOLE DIAMETER: 0.166 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH1.750 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/BUSHING FOUR-HOLE FLANGE
FLANGE THICKNESS0.050 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE AND CHROMATE OVERALL
HEIGHT0.970 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.375 INCHES NOMINAL IN
FLANGE MOUNTING HOLE DIAMETER0.166 INCHES NOMINAL IN
DISTANCE FROM FLANGE TO END0.550 INCHES NOMINAL IN
FLANGE LENGTH1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SL4639PC30Interchangeable
interchangeable cross-reference
interchangeable
SL5676PC30Interchangeable
interchangeable cross-reference
interchangeable
125076Interchangeable
interchangeable cross-reference
interchangeable
7-311171171-5Interchangeable
interchangeable cross-reference
interchangeable
C-04425-9105-49-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156PLT6?
156PLT6 is a MOUNT,RESILIENT,UTILITY.
What parts can replace 156PLT6?
There are 5 known substitutes for 156PLT6: SL4639PC30, SL5676PC30, 125076 and 2 more. Substitute compatibility should be verified for your specific system.
Is 156PLT6 still available?
156PLT6 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