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1890983 — SEAL,NONMETALLIC STRIP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1890983: SEAL,NONMETALLIC STRIP.

The SEAL,NONMETALLIC STRIP is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, construction: SOLID, aperture_width: 15.376 INCHES NOMINAL IN, aperture_length: 21.626 INCHES NOMINAL IN, style_designator: OVAL, fabrication_method: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-473-2974, 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
1890983
NSN: 5330-00-473-2974
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
constructionSOLID
aperture_width15.376 INCHES NOMINAL IN
aperture_length21.626 INCHES NOMINAL IN
style_designatorOVAL
fabrication_methodSOLID
cross-sectional_width0.625 INCHES NOMINAL IN
cross-sectional_height0.750 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-R-15624 CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-473-2974
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1890983 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: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: OVAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624 CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
APERTURE WIDTH: 15.376 INCHES NOMINAL IN
•
APERTURE LENGTH: 21.626 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.625 INCHES NOMINAL IN
STYLE DESIGNATOROVAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
APERTURE WIDTH15.376 INCHES NOMINAL IN
APERTURE LENGTH21.626 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
FABRICATION METHODSOLID
CONSTRUCTIONSOLID
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 2
7854-28REVAPC14Reference document
Same NSN cross-reference
Reference document — Secondary reference
3054-23PCB3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1890983?
1890983 is a SEAL,NONMETALLIC STRIP.
What parts can replace 1890983?
There are 2 known substitutes for 1890983: 7854-28REVAPC14, 3054-23PCB3. Substitute compatibility should be verified for your specific system.
What is the NSN for 1890983?
1890983 is cataloged in the U.S. Government catalog under NSN 5330-00-473-2974. This indicates validated use in U.S. government and defense supply chains.
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