211058888
Socket Head Cap Screw
This page provides complete and verified information for part number 211058888, NSN 5305-01-431-1311
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.
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
0.735 inches minimum and 0.750 inches maximum head diameter, flat fillister head style, 0.492 inches minimum and 0.500 inches maximum head height, 5.500 inches nominal fastener length, 3a thread class
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 3a
- Fastener Length
- 5.500 inches nominal
- Head Style
- flat fillister
- Head Diameter
- 0.735 inches minimum and 0.750 inches maximum
- Head Height
- 0.492 inches minimum and 0.500 inches maximum
- Locking Feature
- patch or pellet or strip threads
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.500 inches
- Width Across Flats
- 0.375 inches nominal
- Thread Quantity Per Inch
- 13
- Material
- plastic polyamide (nylon) locking feature
- Material
- steel overall
- Thread Series Designator
- unrc
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Automatic Data Processing Point
- 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)
- 0 - Represents items with no adp components
- 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.
- A003B0
- A - Item does not contain precious metal.
- 0016282
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 7318152000
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
- 096640
- X
- 50600
- Q - 70.0
- 713 - Metal hardware
- 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 -
- screws, iron or steel
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 211058888
What is the FSCG of the NSN 5305-01-431-1311?
Does the NSN 5305-01-431-1311 have a Schedule B code assigned?
Does NSN 5305-01-431-1311 require demilitarization?
Does NSN 5305-01-431-1311 contain precious materials?
Does NSN 5305-01-431-1311 contain hazardous materials?
When the NSN 5305-01-431-1311 was assigned to the Federal Catalog?
Need Consumables?
Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.
Recommended for You
Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.
Price & Availability
Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:
