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1055764 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1055764: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052, hole_diameter: 0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, body_thickness: 0.040 INCHES NOMINAL IN, securing_device_type: SPECIAL, mounting_opening_shape_style: UNTHREADED HOLE, material_document_and_classification: QQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-381-9851, 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
1055764
NSN: 5340-01-381-9851
FSC: 5340 — Hardware, Commercial
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052
hole_diameter0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
body_thickness0.040 INCHES NOMINAL IN
securing_device_typeSPECIAL
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-381-9851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1055764 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE
•
SECURING DEVICE TYPE: SPECIAL
•
MATERIAL: ALUMINUM ALLOY 5052
•
HOLE DIAMETER: 0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
BODY THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPESPECIAL
MATERIALALUMINUM ALLOY 5052
HOLE DIAMETER0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
BODY THICKNESS0.040 INCHES NOMINAL IN
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 1
3154277Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1055764?
1055764 is a COVER,ACCESS.
What parts can replace 1055764?
There is 1 known substitute for 1055764: 3154277. Substitute compatibility should be verified for your specific system.
What is the NSN for 1055764?
1055764 is cataloged in the U.S. Government catalog under NSN 5340-01-381-9851. This indicates validated use in U.S. government and defense supply chains.
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