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10905954 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10905954: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.960 INCHES NOMINAL IN, length: 21.017 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, hole_diameter: 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, body_thickness: 0.190 INCHES NOMINAL IN, features_provided: OBSERVATION FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-178-0189, 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
10905954
NSN: 5340-00-178-0189
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width5.960 INCHES NOMINAL IN
length21.017 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
hole_diameter0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
body_thickness0.190 INCHES NOMINAL IN
features_providedOBSERVATION FACILITY
inside_corner_radius6.485 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleBAND TYPE
cross-sectional_shape_styleARCHED
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-178-0189
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10905954 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
•
LENGTH: 21.017 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 6.485 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ARCHED
•
FEATURES PROVIDED: OBSERVATION FACILITY
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: BAND TYPE
TECHNICAL CHARACTERISTICS
LENGTH21.017 INCHES NOMINAL IN
INSIDE CORNER RADIUS6.485 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEARCHED
FEATURES PROVIDEDOBSERVATION FACILITY
SECURING DEVICE TYPESPECIAL
PERIPHERAL SHAPE STYLEBAND TYPE
WIDTH5.960 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10905954?
10905954 is a COVER,ACCESS.
What is the NSN for 10905954?
10905954 is cataloged in the U.S. Government catalog under NSN 5340-00-178-0189. This indicates validated use in U.S. government and defense supply chains.
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