The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.530 INCHES NOMINAL IN, length: 2.970 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, corner_radius: 0.120 INCHES NOMINAL IN, hole_diameter: 0.113 INCHES NOMINAL IN, body_thickness: 0.126 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5340-01-055-2872, 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
139C7971
NSN:5340-01-055-2872 FSC:5340 — Hardware, Commercial CAGE:05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
width
2.530 INCHES NOMINAL IN
length
2.970 INCHES NOMINAL IN
material
ALUMINUM ALLOY 6061
corner_radius
0.120 INCHES NOMINAL IN
hole_diameter
0.113 INCHES NOMINAL IN
body_thickness
0.126 INCHES NOMINAL IN
special_features
ITEM CONSISTS OF COVER,139C7971-1AND GASKET,139C7971-2
securing_device_type
THREADED FASTENER
peripheral_shape_style
RECTANGLE, FOUR HOLES
cross-sectional_shape_style
FLAT
mounting_opening_shape_style
UNTHREADED HOLE
distance_between_holes_along_width
2.125 INCHES NOMINAL IN
NSN
5340-01-055-2872
COMPONENT DIAGRAM
KEY FEATURES
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.190 INCHES NOMINAL IN
•
CORNER RADIUS: 0.120 INCHES NOMINAL IN
•
LENGTH: 2.970 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.540 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 2.125 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH
0.190 INCHES NOMINAL IN
CORNER RADIUS
0.120 INCHES NOMINAL IN
LENGTH
2.970 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH
2.540 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH
2.125 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLE
UNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE
FLAT
SECURING DEVICE TYPE
THREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH
0.160 INCHES NOMINAL IN
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 139C7971?
139C7971 is a COVER,ACCESS.
What is the NSN for 139C7971?
139C7971 is cataloged in the U.S. Government catalog under NSN 5340-01-055-2872. This indicates validated use in U.S. government and defense supply chains.
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