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12504556-3 — SEAL,NONMETALLIC STRIP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12504556-3: SEAL,NONMETALLIC STRIP.

The SEAL,NONMETALLIC STRIP is a the manufacturer industrial component. Key specifications include attachment_method: CEMENTED, cross-sectional_width: 1.000 INCHES NOMINAL IN, supplementary_features: LENGTH-26.13 IN;THK-0.188 IN, end_item_identification: 2350-01-538-8373, KNIGHT,ARMORED, part_name_assigned_by_controlling_agency: PAD, FOAM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-571-8621, 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
12504556-3
NSN: 5330-01-571-8621
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
attachment_methodCEMENTED
cross-sectional_width1.000 INCHES NOMINAL IN
supplementary_featuresLENGTH-26.13 IN;THK-0.188 IN
end_item_identification2350-01-538-8373, KNIGHT,ARMORED
part_name_assigned_by_controlling_agencyPAD, FOAM
NSN5330-01-571-8621
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12504556-3 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 WIDTH: 1.000 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: LENGTH-26.13 IN;THK-0.188 IN
•
ATTACHMENT METHOD: CEMENTED
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL WIDTH1.000 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESLENGTH-26.13 IN;THK-0.188 IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPAD, FOAM
END ITEM IDENTIFICATION2350-01-538-8373, KNIGHT,ARMORED
ATTACHMENT METHODCEMENTED
SUBSTITUTES & CROSS-REFERENCES 1
12504556Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12504556-3?
12504556-3 is a SEAL,NONMETALLIC STRIP.
What parts can replace 12504556-3?
There is 1 known substitute for 12504556-3: 12504556. Substitute compatibility should be verified for your specific system.
What is the NSN for 12504556-3?
12504556-3 is cataloged in the U.S. Government catalog under NSN 5330-01-571-8621. 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.