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B60-80 6840 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B60-80 6840: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include seal_width: 1.524 INCHES MINIMUM AND 1.554 INCHES MAXIMUM IN, construction: ONE-PIECE, housing_bore_diameter: 7.250 INCHES MINIMUM AND 7.253 INCHES MAXIMUM IN, end_item_identification: USED ON NSN 2520-01-240-8789; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS), accommodated_shaft_diameter: 5.500 INCHES NOMINAL IN, cross-sectional_shape_style: DUAL LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-271-0274, 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
B60-80 6840
NSN: 5330-01-271-0274
FSC: 5330 — Packing and Gasket Materials
CAGE: 51829 — CR INDUSTRIES CHICAGO RAWHIDE MFG CO (USA)
SPECIFICATIONS
seal_width1.524 INCHES MINIMUM AND 1.554 INCHES MAXIMUM IN
constructionONE-PIECE
housing_bore_diameter7.250 INCHES MINIMUM AND 7.253 INCHES MAXIMUM IN
end_item_identificationUSED ON NSN 2520-01-240-8789; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
accommodated_shaft_diameter5.500 INCHES NOMINAL IN
cross-sectional_shape_styleDUAL LIP
NSN5330-01-271-0274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B60-80 6840 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
•
SEAL WIDTH: 1.524 INCHES MINIMUM AND 1.554 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 7.250 INCHES MINIMUM AND 7.253 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: DUAL LIP
•
ACCOMMODATED SHAFT DIAMETER: 5.500 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
SEAL WIDTH1.524 INCHES MINIMUM AND 1.554 INCHES MAXIMUM IN
HOUSING BORE DIAMETER7.250 INCHES MINIMUM AND 7.253 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEDUAL LIP
ACCOMMODATED SHAFT DIAMETER5.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONUSED ON NSN 2520-01-240-8789; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES 3
132-0520F-02Reference document
Same NSN cross-reference
Reference document — Secondary reference
132-0520Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12359522Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B60-80 6840?
B60-80 6840 is a SEAL,PLAIN.
What parts can replace B60-80 6840?
There are 3 known substitutes for B60-80 6840: 132-0520F-02, 132-0520, 12359522. Substitute compatibility should be verified for your specific system.
What is the NSN for B60-80 6840?
B60-80 6840 is cataloged in the U.S. Government catalog under NSN 5330-01-271-0274. This indicates validated use in U.S. government and defense supply chains.
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