397250
Plain Stud
This page provides complete and verified information for part number 397250, NSN 5307-00-149-4321
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.
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.
right-hand nut thread thread direction, 0.485 inches minimum and 0.515 inches maximum stud thread thread length, right-hand stud thread thread direction, 3a nut thread thread class, +0.2223 to 0.2243 inches stud thread thread pitch diameters
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 3a nut thread
- Thread Pitch Diameters
- +0.2223 to 0.2243 inches stud thread
- Thread Direction
- right-hand nut thread
- Thread Direction
- right-hand stud thread
- Thread Length
- 0.485 inches minimum and 0.515 inches maximum stud thread
- Thread Length
- 0.500 inches minimum nut thread
- Overall Length
- 4.781 inches nominal
- Thread Quantity Per Inch
- 20 stud thread
- Thread Quantity Per Inch
- 28 nut thread
- Hardness Rating
- 28.0 rockwell c minimum and 32.0 rockwell c maximum
- Nominal Thread Size
- 0.250 inches nut thread
- Nominal Thread Size
- 0.250 inches stud thread
- Special Features
- stud end must be rolled thread
- Material
- steel comp 8740 or steel comp 4130 or steel comp 8630
- Material Document And Classification
- ams 6322 assn std 1st material response or ams 6324 assn std 1st material response or ams 6370 assn std 2nd material response or ams 6280 assn std 3rd material response
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2400 assn std single treatment response overall
- Thread Series Designator
- unf nut thread
- Thread Series Designator
- uns stud thread
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Source of Supply
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- 1 - Full descriptive item identification
- S9I - Defense industrial supply center philadelphia, pennsylvania 19111
- 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.
- A051A0
- U - Precious metal content is unknown
- 0015948
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
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
- Less than Car Load Rating
- Water Commodity
- Type of Cargo
- Special Hand
- Air Dimension
- Air Commodity
- National Motor Freight Description
- XX
- 093486
- Z
- 48950
- W - Rating variable
- U - 50.0
- 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 397250
What is the FSCG of the NSN 5307-00-149-4321?
Does NSN 5307-00-149-4321 require demilitarization?
Does NSN 5307-00-149-4321 contain precious materials?
Does NSN 5307-00-149-4321 contain hazardous materials?
When the NSN 5307-00-149-4321 was assigned to the Federal Catalog?
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