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81754-31 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

81754-31: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 30.0 DEGREES NOMINAL, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 1.750 INCHES NOMINAL IN, center_hole_diameter: 1.252 INCHES NOMINAL IN, cross-sectional_height: 0.219 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-081-6586, 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
81754-31
NSN: 5330-00-081-6586
NIINs: 000816586, 012525319
FSC: 5330 — Packing and Gasket Materials
CAGE: 15472 — SOLVENTUM PURIFICATION INC. DIV FILTRATION AND SEPARATION DIVISION (USA)
SPECIFICATIONS
angle30.0 DEGREES NOMINAL
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter1.750 INCHES NOMINAL IN
center_hole_diameter1.252 INCHES NOMINAL IN
cross-sectional_height0.219 INCHES NOMINAL IN
cross-sectional_shape_styleANGLE
NSN5330-00-081-6586
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81754-31 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: 0.219 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: ANGLE
•
ANGLE: 30.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 1.750 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.252 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.219 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLEANGLE
ANGLE30.0 DEGREES NOMINAL
PERIPHERAL DIAMETER1.750 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.252 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 81754-31?
81754-31 is a PACKING,PREFORMED.
What is the NSN for 81754-31?
81754-31 is cataloged in the U.S. Government catalog under NSN 5330-00-081-6586. This indicates validated use in U.S. government and defense supply chains.
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