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A51P40519-11 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51P40519-11: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, surface_treatment: ANODIZE OVERALL, inner_groove_width: 0.136 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN, outer_groove_width: 0.197 INCHES NOMINAL IN, peripheral_diameter: 1.688 INCHES NOMINAL IN, center_hole_diameter: 0.877 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-922-1483, 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
A51P40519-11
NSN: 5330-00-922-1483
FSC: 5330 — Packing and Gasket Materials
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
surface_treatmentANODIZE OVERALL
inner_groove_width0.136 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
outer_groove_width0.197 INCHES NOMINAL IN
peripheral_diameter1.688 INCHES NOMINAL IN
center_hole_diameter0.877 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
cross-sectional_height0.500 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/6 ALLOY 2024 T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-00-922-1483
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51P40519-11 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 ALLOY 2024 T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 1.688 INCHES NOMINAL IN
•
OUTER GROOVE WIDTH: 0.197 INCHES NOMINAL IN
•
INNER GROOVE WIDTH: 0.136 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
CENTER HOLE DIAMETER: 0.877 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 ALLOY 2024 T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER1.688 INCHES NOMINAL IN
OUTER GROOVE WIDTH0.197 INCHES NOMINAL IN
INNER GROOVE WIDTH0.136 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
CENTER HOLE DIAMETER0.877 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-I-6866 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MATERIALALUMINUM ALLOY 2024 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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51P40519-11?
A51P40519-11 is a RETAINER,PACKING.
What is the NSN for A51P40519-11?
A51P40519-11 is cataloged in the U.S. Government catalog under NSN 5330-00-922-1483. 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.