387523
Extended Washer Self-Locking Nut
This page provides complete and verified information for part number 387523, NSN 5310-01-068-1886
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
5310-01-068-1886
Item Name Code
29729
Assigment Date
11/17/1978 (47 years ago)
0.320 inches minimum and 0.350 inches maximum washer outside diameter, 0.045 inches nominal washer thickness, prevailing torque all metal design locking feature, 3b thread class, right-hand thread direction
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
- Washer Outside Diameter
- 0.320 inches minimum and 0.350 inches maximum
- Washer Thickness
- 0.045 inches nominal
- Width Across Flats
- 0.243 inches minimum and 0.252 inches maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 32
- Hardness Rating
- 32.0 rockwell c minimum and 48.0 rockwell c maximum
- Nominal Thread Size
- 0.190 inches
- Material
- steel corrosion resisting overall
- Material Document And Classification
- ams 5735 assn std single material response overall
- Surface Treatment
- silver overall
- Surface Treatment Document And Classification
- ams 2411 assn std 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
- 4 - Partial descriptive item identification (type 1 concept)
- 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
- S - Item contains silver.
- 0029729
- 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
- SX
- 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 387523
What is the FSCG of the NSN 5310-01-068-1886?
The FSCG of the NSN 5310-01-068-1886 is 5310
Does the NSN 5310-01-068-1886 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-068-1886 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 5310-01-068-1886 contain precious materials?
Item contains silver.
Does NSN 5310-01-068-1886 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 5310-01-068-1886 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Fri, Nov 17, 1978
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