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68B250050-257 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

68B250050-257: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: GLASS FIBER INTERNALLY MOLDED-IN REINFORCEMENT, construction: ONE-PIECEONE-PIECE, overall_length: 38.000 INCHES NOMINAL38.000 INCHES NOMINAL IN, special_features: ONE PLY MOLDED IN POLESTER/FIBER GLASS INSERTONE PLY MOLDED IN POLESTER/FIBER GLASS INSERT, style_designator: STRIP, cross-sectional_width: 1.600 INCHES NOMINAL1.600 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-384-6952, 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
68B250050-257
NSN: 5330-01-384-6952
FSC: 5330 — Packing and Gasket Materials
CAGE: 50744 — KIRKHILL, INC. DBA TA AEROSPACE CO DIV KIRKHILL INC, SFS DIVISION (USA)
SPECIFICATIONS
materialGLASS FIBER INTERNALLY MOLDED-IN REINFORCEMENT
constructionONE-PIECEONE-PIECE
overall_length38.000 INCHES NOMINAL38.000 INCHES NOMINAL IN
special_featuresONE PLY MOLDED IN POLESTER/FIBER GLASS INSERTONE PLY MOLDED IN POLESTER/FIBER GLASS INSERT
style_designatorSTRIP
cross-sectional_width1.600 INCHES NOMINAL1.600 INCHES NOMINAL IN
cross-sectional_height0.164 INCHES NOMINAL0.164 INCHES NOMINAL IN
end_item_identificationP/N 68A250228;F15 CONFORMAL FUEL TANKP/N 68A250228;F15 CONFORMAL FUEL TANK
cross-sectional_thickness0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIALSPECIAL
reference_data_and_literature6J14-5-11-3
NSN5330-01-384-6952
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 68B250050-257 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 THICKNESS: 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.164 INCHES NOMINAL0.164 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.600 INCHES NOMINAL1.600 INCHES NOMINAL IN
•
REFERENCE DATA AND LITERATURE: 6J14-5-11-3
•
STYLE DESIGNATOR: STRIP
•
CROSS-SECTIONAL SHAPE STYLE: SPECIALSPECIAL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.164 INCHES NOMINAL0.164 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.600 INCHES NOMINAL1.600 INCHES NOMINAL IN
REFERENCE DATA AND LITERATURE6J14-5-11-3
STYLE DESIGNATORSTRIP
OVERALL LENGTH38.000 INCHES NOMINAL38.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIALSPECIAL
SPECIAL FEATURESONE PLY MOLDED IN POLESTER/FIBER GLASS INSERTONE PLY MOLDED IN POLESTER/FIBER GLASS INSERT
END ITEM IDENTIFICATIONP/N 68A250228;F15 CONFORMAL FUEL TANKP/N 68A250228;F15 CONFORMAL FUEL TANK
MATERIALPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) JACKET
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68B250050-257?
68B250050-257 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 68B250050-257?
68B250050-257 is cataloged in the U.S. Government catalog under NSN 5330-01-384-6952. 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.