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8451457-1 — SEAL,NONMETALLIC STRIP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8451457-1: SEAL,NONMETALLIC STRIP.

The SEAL,NONMETALLIC STRIP is a the manufacturer industrial component. Key specifications include material: RUBBER POLYISOPRENE NATURAL CLASS NR OVERALL, construction: SOLID, aperture_width: 2.277 INCHES NOMINAL IN, aperture_length: 5.375 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, attachment_method: ROUND HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-822-8573, 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
8451457-1
NSN: 5330-00-822-8573
FSC: 5330 — Packing and Gasket Materials
CAGE: 02769 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialRUBBER POLYISOPRENE NATURAL CLASS NR OVERALL
constructionSOLID
aperture_width2.277 INCHES NOMINAL IN
aperture_length5.375 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
attachment_methodROUND HOLE
inside_corner_radius0.060 INCHES NOMINAL IN
outside_corner_radius0.380 INCHES NOMINAL IN
attachment_hole_diameter0.375 INCHES NOMINAL IN
attachment_feature_quantity10
smooth_finish_surface_locationBOTTOM AND TOP
attachment_feature_center_to_center_distance_along_length3.000 INCHES NOMINAL IN
NSN5330-00-822-8573
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8451457-1 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
•
ATTACHMENT HOLE DIAMETER: 0.375 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 10
•
INSIDE CORNER RADIUS: 0.060 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
APERTURE WIDTH: 2.277 INCHES NOMINAL IN
•
APERTURE LENGTH: 5.375 INCHES NOMINAL IN
•
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG LENGTH: 3.000 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.375 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY10
INSIDE CORNER RADIUS0.060 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
APERTURE WIDTH2.277 INCHES NOMINAL IN
APERTURE LENGTH5.375 INCHES NOMINAL IN
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG LENGTH3.000 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.380 INCHES NOMINAL IN
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALRUBBER POLYISOPRENE NATURAL CLASS NR 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8451457-1?
8451457-1 is a SEAL,NONMETALLIC STRIP.
What is the NSN for 8451457-1?
8451457-1 is cataloged in the U.S. Government catalog under NSN 5330-00-822-8573. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.