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Technical Data Sheet
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8168953 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.173 INCHES NOMINAL IN, material: RUBBER SYNTHETIC CUSHION, lug_width: 0.469 INCHES NOMINAL IN, overall_width: 0.469 INCHES NOMINAL IN, style_designator: LEFT HAND CLAMP & BRACKET, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-327-1787, 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
8168953
NSN: 5340-00-327-1787
FSC: 5340
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
diameter0.173 INCHES NOMINAL IN
materialRUBBER SYNTHETIC CUSHION
lug_width0.469 INCHES NOMINAL IN
overall_width0.469 INCHES NOMINAL IN
style_designatorLEFT HAND CLAMP & BRACKET
tongue_hole_typeROUND, UNTHREADED
lug_hole_diameter0.173 INCHES NOMINAL IN
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter0.313 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.703 INCHES NOMINAL IN
distance_from_outer_edge_of_lug_to_hole_center0.234 INCHES NOMINAL IN
NSN5340-00-327-1787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8168953 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
•
LUG HOLE DIAMETER: 0.173 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.703 INCHES NOMINAL IN
•
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER: 0.234 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND LUG HOLE: 0.516 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
LUG WIDTH: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LUG HOLE DIAMETER0.173 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.703 INCHES NOMINAL IN
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER0.234 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND LUG HOLE0.516 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
LUG WIDTH0.469 INCHES NOMINAL IN
OVERALL WIDTH0.469 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.313 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE BAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7395Interchangeable
interchangeable cross-reference
interchangeable
8440 MATCDED SET2Interchangeable
interchangeable cross-reference
interchangeable
3888458Interchangeable
interchangeable cross-reference
interchangeable
C4AZ8620BInterchangeable
interchangeable cross-reference
interchangeable
S413647Interchangeable
interchangeable cross-reference
interchangeable
A8287Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8168953?
8168953 is a CLAMP,LOOP.
What parts can replace 8168953?
There are 13 known substitutes for 8168953: 7395, 8440 MATCDED SET2, 3888458 and 10 more. Substitute compatibility should be verified for your specific system.
Is 8168953 still available?
8168953 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