PartsTable
Technical Data Sheet
Download PDF

1443N18-157 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1443N18-157: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, peripheral_diameter: 2.880 INCHES NOMINAL IN, center_hole_diameter: 1.750 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN, end_item_identification: CENTRIFUGAL PUMP, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-494-8221, 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
1443N18-157
NSN: 5330-01-494-8221
FSC: 5330 — Packing and Gasket Materials
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
peripheral_diameter2.880 INCHES NOMINAL IN
center_hole_diameter1.750 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
end_item_identificationCENTRIFUGAL PUMP
cross-sectional_shape_styleSQUARE/RECTANGULAR
part_name_assigned_by_controlling_agencyFLINGER,BUNA-N
NSN5330-01-494-8221
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1443N18-157 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 2.880 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER2.880 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFLINGER,BUNA-N
END ITEM IDENTIFICATIONCENTRIFUGAL PUMP
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
14436N18-157Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 1443N18-157?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1443N18-157?
1443N18-157 is a PACKING,PREFORMED.
What parts can replace 1443N18-157?
There is 1 known substitute for 1443N18-157: 14436N18-157. Substitute compatibility should be verified for your specific system.
What is the NSN for 1443N18-157?
1443N18-157 is cataloged in the U.S. Government catalog under NSN 5330-01-494-8221. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1443N18-157