Product Details | ACCESS COVER

1560-01-031-3251 A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see DOOR, ACCESS (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.20310050018Guns, through 30mm2590000053400020Hardware, Commercial

Part Alternates: 010313251

Aircraft and Airframe Structural Components | Airframe Structural Components

Supply Group (FSG) NSN Assign. NIIN
15 01-031-3251

Drawings & Photos | NSN 1560-01-031-3251


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Technical Data | NSN 1560-01-031-3251

Characteristic Specifications
PERIPHERAL SHAPE STYLE 13 RECTANGLE, FOUR HOLES
WIDTH 6.500 INCHES NOMINAL
LENGTH 6.500 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH 0.750 INCHES NOMINAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH 0.750 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG LENGTH 5.000 INCHES NOMINAL
DISTANCE BETWEEN HOLES ALONG WIDTH 5.000 INCHES NOMINAL
CORNER RADIUS 0.750 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE 30 ARCHED
INSIDE CORNER RADIUS 14.900 INCHES NOMINAL
BODY THICKNESS 0.063 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATION AMS 4040 ALLOY 2024 TEMP O ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SECURING DEVICE TYPE THREADED FASTENER
MOUNTING OPENING SHAPE STYLE 1 UNTHREADED HOLE
HOLE DIAMETER 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
MANUFACTURERS CODE 73030
DESIGN CONTROL REFERENCE AD31251-1

Restrictions/Controls & Freight Information | NSN 1560-01-031-3251

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Controlled Inventory Item Code:UUNCLASSIFIED
Category Code Description
No Freight Information