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DAA3510A253-005 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DAA3510A253-005: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, peripheral_shape_style: RECTANGLE, FOUR HOLES, end_item_identification: B-2 TSSP, distance_between_holes_along_width: 6.644 INCHES NOMINAL IN, distance_between_holes_along_length: 3.648 INCHES NOMINAL IN, material_document_and_classification: QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-353-2177, 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
DAA3510A253-005
NSN: 5340-01-353-2177
FSC: 5340 — Hardware, Commercial
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identificationB-2 TSSP
distance_between_holes_along_width6.644 INCHES NOMINAL IN
distance_between_holes_along_length3.648 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_length0.378 INCHES NOMINAL IN
NSN5340-01-353-2177
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DAA3510A253-005 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
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.648 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 6.644 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.378 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
•
MATERIAL: ALUMINUM ALLOY 7075
TECHNICAL CHARACTERISTICS
DISTANCE BETWEEN HOLES ALONG LENGTH3.648 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH6.644 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.378 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
END ITEM IDENTIFICATIONB-2 TSSP
MATERIALALUMINUM ALLOY 7075
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is DAA3510A253-005?
DAA3510A253-005 is a COVER,ACCESS.
What is the NSN for DAA3510A253-005?
DAA3510A253-005 is cataloged in the U.S. Government catalog under NSN 5340-01-353-2177. This indicates validated use in U.S. government and defense supply chains.
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