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A51B44505-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51B44505-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, special_features: 5.360 IN. W; 8.860 IN.

LG IN, peripheral_shape_style: OVAL, MULTI HOLES, end_item_identification: F-14 AIRCRAFT, cross-sectional_shape_style: SQUARE OR RECTANGULAR RECESS, material_document_and_classification: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S. Government catalog under NSN 5340-00-832-1084, 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
A51B44505-1
NSN: 5340-00-832-1084
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
special_features5.360 IN. W; 8.860 IN. LG IN
peripheral_shape_styleOVAL, MULTI HOLES
end_item_identificationF-14 AIRCRAFT
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
material_document_and_classificationQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-832-1084
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51B44505-1 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
•
PERIPHERAL SHAPE STYLE: OVAL, MULTI HOLES
•
MATERIAL: ALUMINUM ALLOY 2024
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
SPECIAL FEATURES5.360 IN. W; 8.860 IN. LG IN
PERIPHERAL SHAPE STYLEOVAL, MULTI HOLES
END ITEM IDENTIFICATIONF-14 AIRCRAFT
MATERIALALUMINUM ALLOY 2024
SUBSTITUTES & CROSS-REFERENCES 1
708342Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is A51B44505-1?
A51B44505-1 is a COVER,ACCESS.
What parts can replace A51B44505-1?
There is 1 known substitute for A51B44505-1: 708342. Substitute compatibility should be verified for your specific system.
What is the NSN for A51B44505-1?
A51B44505-1 is cataloged in the U.S. Government catalog under NSN 5340-00-832-1084. 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.