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1264851-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1264851-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: SILICONE AND STEEL SEALING ELEMENT, hole_diameter: 0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 17.000 INCHES NOMINAL IN, aperture_width: 15.880 INCHES NOMINAL IN, overall_length: 19.062 INCHES NOMINAL IN, aperture_length: 18.630 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-530-2124, 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
1264851-1
NSN: 5330-01-530-2124
FSC: 5330 — Packing and Gasket Materials
CAGE: 04DG4 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSILICONE AND STEEL SEALING ELEMENT
hole_diameter0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width17.000 INCHES NOMINAL IN
aperture_width15.880 INCHES NOMINAL IN
overall_length19.062 INCHES NOMINAL IN
aperture_length18.630 INCHES NOMINAL IN
special_featuresSTEEL IS SNCUFE (TIN-PLATED, COPPER-CLAD, STEEL)
style_designatorNON-CIRCULAR
bolt_hole_quantity38
end_item_identification8S-842/G
part_name_assigned_by_controlling_agencyGASKET, RFI-DOOR, DECOMPRESSION OPENING
outside_edge_to_bolt_hole_center_distance_along_length0.340 INCHES NOMINAL IN
NSN5330-01-530-2124
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1264851-1 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
•
STYLE DESIGNATOR: NON-CIRCULAR
•
APERTURE WIDTH: 15.880 INCHES NOMINAL IN
•
APERTURE LENGTH: 18.630 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 38
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.340 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH19.062 INCHES NOMINAL IN
OVERALL WIDTH17.000 INCHES NOMINAL IN
APERTURE WIDTH15.880 INCHES NOMINAL IN
APERTURE LENGTH18.630 INCHES NOMINAL IN
BOLT HOLE QUANTITY38
SPECIAL FEATURESSTEEL IS SNCUFE (TIN-PLATED, COPPER-CLAD, STEEL)
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.340 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, RFI-DOOR, DECOMPRESSION OPENING
END ITEM IDENTIFICATION8S-842/G
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
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1264851-1?
1264851-1 is a GASKET.
What is the NSN for 1264851-1?
1264851-1 is cataloged in the U.S. Government catalog under NSN 5330-01-530-2124. 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.