MA 12640-82BC
Plate Self-Locking Nut
This page provides complete and verified information for part number MA 12640-82BC, NSN 5310-00-151-5414
You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-151-5414
Item Name Code
05280
Assigment Date
12/28/1970 (55 years ago)
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.
dry film lubricant lubrication, 3b thread class, 0.168 inches minimum nut counterbore diameter, right-hand thread direction, prevailing torque all metal design locking feature
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque all metal design
- Counterbore Diameter
- 0.168 inches minimum nut
- Lubrication
- dry film lubricant
- Mounting Hole Diameter
- 0.098 inches minimum and 0.103 inches maximum
- Nut Style
- plate
- Nut Length
- 0.486 inches maximum
- Nut Height
- 0.250 inches maximum
- Plate Thickness
- 0.047 inches maximum
- Plate Width
- 0.235 inches minimum and 0.297 inches maximum
- Nut Counterbore Depth
- 0.062 inches minimum nut
- Nut Mounting Provision
- countersunk holes
- Mounting Provision Location
- opposite nut projection side
- Mounting Hole Arrangement Style
- 2 holes
- Distance From Aperture Center To Mounting Hole Center
- 0.229 inches minimum and 0.239 inches maximum
- Center To Center Distance Between Mounting Holes Along Width
- 0.217 inches minimum and 0.221 inches maximum
- Temp Rating
- 450.0 fahrenheit nominal
- Thread Series
- unc
- Thread Quantity Per Inch
- 32
- Hardness Rating
- 49.0 rockwell c maximum
- Nominal Thread Size
- 0.164 inches
- Mounting Hole Countersink Angle
- 98.0 degrees minimum and 102.0 degrees maximum
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- Schedule B Code
- 1 - Full descriptive item identification
- A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A021A0
- U - Precious metal content is unknown
- 0005280
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 7318160000
Freight Information
Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.
- Major Organizational Entity
- National Motor Freight Classification Item Number
- National Motor Freight Classification Sub-Item Number
- Uniform Freight Classification Item Number
- National Motor Freight Class Rating
- Water Commodity
- Type of Cargo
- Special Hand
- Air Dimension
- Air Commodity
- National Motor Freight Description
- KZ
- 093486
- Z
- 48950
- W - Rating variable
- 573 - Bolts or nuts (iron or steel),(less than 35 feet)
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- BZ -
- bolts,nuts or screws, noi (sub 3)
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for MA 12640-82BC
What is the FSCG of the NSN 5310-00-151-5414?
The FSCG of the NSN 5310-00-151-5414 is 5310
Does the NSN 5310-00-151-5414 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-151-5414 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-151-5414 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-151-5414 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-151-5414 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Dec 28, 1970
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