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261131 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

261131: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL CASE, peripheral_diameter: 5.471 INCHES MINIMUM AND 5.474 INCHES MAXIMUM IN, center_hole_diameter: 5.152 INCHES NOMINAL IN, cross-sectional_height: 0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-530-3606, 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
261131
NSN: 5330-00-530-3606
NIINs: 005303606, 006696744, 008606964, 011179459
FSC: 5330 — Packing and Gasket Materials
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL CASE
peripheral_diameter5.471 INCHES MINIMUM AND 5.474 INCHES MAXIMUM IN
center_hole_diameter5.152 INCHES NOMINAL IN
cross-sectional_height0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-530-3606
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 261131 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
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: RECTANGULAR
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: WOOL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH5.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIALWOOL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
187847Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
942751Reference document
Same NSN cross-reference
Reference document — Secondary reference
6X27Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 261131?
261131 is a BEARING,BALL,ANNULAR.
What parts can replace 261131?
There are 3 known substitutes for 261131: 187847, 942751, 6X27. Substitute compatibility should be verified for your specific system.
What is the NSN for 261131?
261131 is cataloged in the U.S. Government catalog under NSN 5330-00-530-3606. This indicates validated use in U.S. government and defense supply chains.
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