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11644043 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11644043: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, slot_width: 0.380 INCHES NOMINAL IN, body_thickness: 0.120 INCHES NOMINAL IN, outside_diameter: 4.880 INCHES NOMINAL IN, special_features: ITEM INCLUDES PLATE-11644043-4; 2 PLATES-11644043-2;COVER-11644043-1, surface_treatment: PHOSPHATE AND ENAMEL ALKYD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-443-1005, 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
11644043
NSN: 5340-00-443-1005
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
slot_width0.380 INCHES NOMINAL IN
body_thickness0.120 INCHES NOMINAL IN
outside_diameter4.880 INCHES NOMINAL IN
special_featuresITEM INCLUDES PLATE-11644043-4; 2 PLATES-11644043-2;COVER-11644043-1
surface_treatmentPHOSPHATE AND ENAMEL ALKYD
securing_device_typeSPECIAL
peripheral_shape_styleROUND, NO HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleOPEN VERTICAL CURVED SLOT
material_document_and_classificationASTM-A569 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationTT-C-490,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE AND TT-P-664 FED SPEC 2ND TREATMENT RESPONSE
NSN5340-00-443-1005
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11644043 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: TT-C-490,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE AND TT-P-664 FED SPEC 2ND TREATMENT RESPONSE
•
MOUNTING OPENING SHAPE STYLE: OPEN VERTICAL CURVED SLOT
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A569 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 4.880 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
SURFACE TREATMENT: PHOSPHATE AND ENAMEL ALKYD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-C-490,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE AND TT-P-664 FED SPEC 2ND TREATMENT RESPONSE
MOUNTING OPENING SHAPE STYLEOPEN VERTICAL CURVED SLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A569 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER4.880 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURESITEM INCLUDES PLATE-11644043-4; 2 PLATES-11644043-2;COVER-11644043-1
SURFACE TREATMENTPHOSPHATE AND ENAMEL ALKYD
PERIPHERAL SHAPE STYLEROUND, NO HOLES
MATERIALSTEEL
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 11644043?
11644043 is a COVER,ACCESS.
What is the NSN for 11644043?
11644043 is cataloged in the U.S. Government catalog under NSN 5340-00-443-1005. This indicates validated use in U.S. government and defense supply chains.
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