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8427057 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8427057: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 3.5 DEGREES NOMINAL, material: ALUMINUM ALLOY OVERALL, peripheral_diameter: 5.748 INCHES NOMINAL IN, center_hole_diameter: 4.498 INCHES NOMINAL IN, cross-sectional_height: 0.138 INCHES NOMINAL IN, end_item_identification: M158 GUN MOUNT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-907-7025, 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
8427057
NSN: 5330-00-907-7025
FSC: 5330 — Packing and Gasket Materials
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
angle3.5 DEGREES NOMINAL
materialALUMINUM ALLOY OVERALL
peripheral_diameter5.748 INCHES NOMINAL IN
center_hole_diameter4.498 INCHES NOMINAL IN
cross-sectional_height0.138 INCHES NOMINAL IN
end_item_identificationM158 GUN MOUNT
cross-sectional_thickness0.0315 INCHES NOMINAL IN
cross-sectional_shape_styleU
NSN5330-00-907-7025
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8427057 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: 0.0315 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.138 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: U
•
ANGLE: 3.5 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 5.748 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.498 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0315 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.138 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEU
ANGLE3.5 DEGREES NOMINAL
PERIPHERAL DIAMETER5.748 INCHES NOMINAL IN
CENTER HOLE DIAMETER4.498 INCHES NOMINAL IN
END ITEM IDENTIFICATIONM158 GUN MOUNT
MATERIALALUMINUM ALLOY 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 8427057?
8427057 is a RETAINER,PACKING.
What is the NSN for 8427057?
8427057 is cataloged in the U.S. Government catalog under NSN 5330-00-907-7025. This indicates validated use in U.S. government and defense supply chains.
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