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12508513 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12508513: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include special_features: NEXT HIGHER ASSEMBLY: P/N 12508502; USED ON HEMTT A4/PLS A1, cross-sectional_width: 26.350 INCHES NOMINAL IN, special_test_features: MATERIAL: RA-25 EPDM FOAM, HARDNESS: 40-55 SHORE 00; ALTERNATE MATERIAL: EPDM FOAM 4215-EB, cross-sectional_height: 21.35 INCHES NOMINAL IN, mounting_hole_quantity: 12, supplementary_features: 12 BOLT HOLES, .550" DIAMETER. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-566-4873, 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
12508513
NSN: 5330-01-566-4873
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY: P/N 12508502; USED ON HEMTT A4/PLS A1
cross-sectional_width26.350 INCHES NOMINAL IN
special_test_featuresMATERIAL: RA-25 EPDM FOAM, HARDNESS: 40-55 SHORE 00; ALTERNATE MATERIAL: EPDM FOAM 4215-EB
cross-sectional_height21.35 INCHES NOMINAL IN
mounting_hole_quantity12
supplementary_features12 BOLT HOLES, .550" DIAMETER
end_item_identification2320-01-534-1103 TRUCK, TANK
cross-sectional_thickness0.135 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySEAL, WINDOW, LEFT
NSN5330-01-566-4873
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12508513 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
•
MOUNTING HOLE QUANTITY: 12
•
CROSS-SECTIONAL THICKNESS: 0.135 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 21.35 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 26.350 INCHES NOMINAL IN
•
SPECIAL TEST FEATURES: MATERIAL: RA-25 EPDM FOAM, HARDNESS: 40-55 SHORE 00; ALTERNATE MATERIAL: EPDM FOAM 4215-EB
•
SUPPLEMENTARY FEATURES: 12 BOLT HOLES, .550" DIAMETER
•
SPECIFICATION/STANDARD DATA: 05047-ASME Y14.100-2017 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME B46.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY12
CROSS-SECTIONAL THICKNESS0.135 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT21.35 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH26.350 INCHES NOMINAL IN
SPECIAL TEST FEATURESMATERIAL: RA-25 EPDM FOAM, HARDNESS: 40-55 SHORE 00; ALTERNATE MATERIAL: EPDM FOAM 4215-EB
SUPPLEMENTARY FEATURES12 BOLT HOLES, .550" DIAMETER
SPECIFICATION/STANDARD DATA05047-ASME Y14.100-2017 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME B46.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESNEXT HIGHER ASSEMBLY: P/N 12508502; USED ON HEMTT A4/PLS A1
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, WINDOW, LEFT
END ITEM IDENTIFICATION2320-01-534-1103 TRUCK, TANK
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
22KP113Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12508513?
12508513 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 12508513?
There is 1 known substitute for 12508513: 22KP113. Substitute compatibility should be verified for your specific system.
What is the NSN for 12508513?
12508513 is cataloged in the U.S. Government catalog under NSN 5330-01-566-4873. 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.