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8448977 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8448977: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, special_features: 16AA FINISH ON PERIPHERY, peripheral_diameter: 3.572 INCHES NOMINAL IN, center_hole_diameter: 1.377 INCHES NOMINAL IN, cross-sectional_height: 0.318 INCHES NOMINAL IN, end_item_identification: M158 GUN MOUNT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-618-1575, 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
8448977
NSN: 5330-00-618-1575
FSC: 5330 — Packing and Gasket Materials
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
special_features16AA FINISH ON PERIPHERY
peripheral_diameter3.572 INCHES NOMINAL IN
center_hole_diameter1.377 INCHES NOMINAL IN
cross-sectional_height0.318 INCHES NOMINAL IN
end_item_identificationM158 GUN MOUNT
cross-sectional_thickness0.0315 INCHES NOMINAL IN
cross-sectional_shape_styleCUP
material_document_and_classificationMIL-A-11267 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-618-1575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8448977 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: 0.318 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-11267 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: CUP
•
PERIPHERAL DIAMETER: 3.572 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.377 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0315 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.318 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-11267 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLECUP
PERIPHERAL DIAMETER3.572 INCHES NOMINAL IN
SPECIAL FEATURES16AA FINISH ON PERIPHERY
CENTER HOLE DIAMETER1.377 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 8448977?
8448977 is a RETAINER,PACKING.
What is the NSN for 8448977?
8448977 is cataloged in the U.S. Government catalog under NSN 5330-00-618-1575. This indicates validated use in U.S. government and defense supply chains.
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