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Technical Data Sheet
PartsTable / COMPONENT / 167-8278261 ITEM 6
167-8278261 ITEM 6 ✓ 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 BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 3.190 INCHES NOMINAL IN, overall_length: 3.750 INCHES NOMINAL IN, overall_thickness: 0.560 INCHES NOMINAL IN, mounting_hole_type: THRU HOLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-633-4142, 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
167-8278261 ITEM 6
NSN: 5340-01-633-4142
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
overall_width2.500 INCHES NOMINAL IN
overall_height3.190 INCHES NOMINAL IN
overall_length3.750 INCHES NOMINAL IN
overall_thickness0.560 INCHES NOMINAL IN
mounting_hole_typeTHRU HOLE
mounting_hole_diameter0.790 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN
mounting_hole_quantity2
end_item_identificationBALLISTIC DOOR, CVN 78 CLASS AIRCRAFT CARRIER
material_document_and_classificationASTM A688-03, CL D ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyPAD,HINGE
NSN5340-01-633-4142
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 167-8278261 ITEM 6 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
•
MOUNTING HOLE TYPE: THRU HOLE
•
OVERALL THICKNESS: 0.560 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.790 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE TYPETHRU HOLE
OVERALL THICKNESS0.560 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.790 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN
OVERALL WIDTH2.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPAD,HINGE
OVERALL LENGTH3.750 INCHES NOMINAL IN
END ITEM IDENTIFICATIONBALLISTIC DOOR, CVN 78 CLASS AIRCRAFT CARRIER
MATERIALSTEEL
OVERALL HEIGHT3.190 INCHES NOMINAL IN
MOUNTING HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
167-8200543 ITEM NO 41Interchangeable
interchangeable cross-reference
interchangeable
167-8278258 ITEM NO 5Interchangeable
interchangeable cross-reference
interchangeable
167-8200543Interchangeable
interchangeable cross-reference
interchangeable
167-8278258Interchangeable
interchangeable cross-reference
interchangeable
167-8200543 ITEM NO. 27Interchangeable
interchangeable cross-reference
interchangeable
167-8278266 ITEM NO. 9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 167-8278261 ITEM 6?
167-8278261 ITEM 6 is a BRACKET,MOUNTING.
What parts can replace 167-8278261 ITEM 6?
There are 24 known substitutes for 167-8278261 ITEM 6: 167-8200543 ITEM NO 41, 167-8278258 ITEM NO 5, 167-8200543 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 167-8278261 ITEM 6?
167-8278261 ITEM 6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-633-4142. 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