The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_thickness: 0.718 INCHES NOMINAL IN, inside_diameter: 1.250 INCHES NOMINAL IN, flange_thickness: 0.311 INCHES NOMINAL IN, outside_diameter: 4.500 INCHES NOMINAL IN, bolt_circle_diameter: 3.750 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5340-00-649-8604, 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
204A991P1
NSN:5340-00-649-8604 FSC:5340 — Hardware, Commercial CAGE:03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
material
STEEL
body_thickness
0.718 INCHES NOMINAL IN
inside_diameter
1.250 INCHES NOMINAL IN
flange_thickness
0.311 INCHES NOMINAL IN
outside_diameter
4.500 INCHES NOMINAL IN
bolt_circle_diameter
3.750 INCHES NOMINAL IN
inside_corner_radius
0.250 INCHES NOMINAL IN
securing_device_type
THREADED FASTENER
peripheral_shape_style
ROUND, MULTI HOLES
bolt_circle_hole_quantity
4
cross-sectional_shape_style
CIRCULAR RECESS
mounting_opening_shape_style
UNTHREADED HOLE
NSN
5340-00-649-8604
COMPONENT DIAGRAM
KEY FEATURES
•
FLANGE THICKNESS: 0.311 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 4
•
INSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS
0.311 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY
4
INSIDE CORNER RADIUS
0.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLE
UNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLE
CIRCULAR RECESS
OUTSIDE DIAMETER
4.500 INCHES NOMINAL IN
SECURING DEVICE TYPE
THREADED FASTENER
INSIDE DIAMETER
1.250 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER
3.750 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLE
ROUND, MULTI HOLES
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 204A991P1?
204A991P1 is a COVER,ACCESS.
What is the NSN for 204A991P1?
204A991P1 is cataloged in the U.S. Government catalog under NSN 5340-00-649-8604. This indicates validated use in U.S. government and defense supply chains.
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