GS520L4-8
Self-Locking Stud
This page provides complete and verified information for part number GS520L4-8, NSN 5307-01-331-1977
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 headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.
2a nut thread thread class, 0.323 inches minimum and 0.353 inches maximum head diameter, 0.125 inches minimum and 0.135 inches maximum head length, right-hand nut thread thread direction, 0.350 inches minimum and 0.390 inches maximum nut thread thread length
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 2a nut thread
- Thread Direction
- right-hand nut thread
- Thread Length
- 0.350 inches minimum and 0.390 inches maximum nut thread
- Head Diameter
- 0.323 inches minimum and 0.353 inches maximum
- Head Length
- 0.125 inches minimum and 0.135 inches maximum
- Locking Feature
- self-clinching head
- Overall Length
- 0.485 inches minimum and 0.515 inches maximum
- Thread Quantity Per Inch
- 20 nut thread
- Nominal Thread Size
- 0.250 inches nut thread
- Material
- steel comp 1005 or steel comp 1006 or steel comp 1008 or steel comp 1010 or steel comp 1011 or steel comp 1012 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022
- Material Document And Classification
- 66 fed std all material responses
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Style Designator
- self-locking
- Thread Series Designator
- unc nut 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
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- 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.
- A051A0
- A - Item does not contain precious metal.
- 0027783
- 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
- 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 GS520L4-8
What is the FSCG of the NSN 5307-01-331-1977?
Does NSN 5307-01-331-1977 require demilitarization?
Does NSN 5307-01-331-1977 contain precious materials?
Does NSN 5307-01-331-1977 contain hazardous materials?
When the NSN 5307-01-331-1977 was assigned to the Federal Catalog?
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Price & Availability
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