5305-00-688-2018
Hexagon Head Cap Screw
Find complete technical information, availability, and procurement data for NSN 5305-00-688-2018 All details are based on official government and industry records to support accurate and compliant 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.
2a thread class, 0.875 inches nominal fastener length, right-hand thread direction, 0.875 inches maximum thread length, hexagon head style
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.875 inches maximum
- Fastener Length
- 0.875 inches nominal
- Head Style
- hexagon
- Head Height
- 0.150 inches minimum and 0.163 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.438 inches maximum
- End Item Identification
- multiple launch rocket system (mlrs)
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 80000 pounds per square inch
- Material
- steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially replaced by the NSN 5305-00-688-2018
| NSN | Name | Date |
|---|---|---|
| 5305-00-106-4603 | No Name Available | 07/01/1986 |
| 5306-00-274-1367 | No Name Available | 08/12/1968 |
| 5305-00-719-4018 | No Name Available | 05/23/1966 |
Related Parts & Specifications
This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.
| Part Number | Name |
|---|---|
| 0419-417 | Hexagon Head Cap Screw |
| 12Z46PC402 | Hexagon Head Cap Screw |
| 5-4-1317-5-16 | Hexagon Head Cap Screw |
| 5305PL0977822 | Hexagon Head Cap Screw |
| M35308-307 | Hexagon Head Cap Screw |
| MS35308-307 | Hexagon Head Cap Screw |
| MS35308-307B | Hexagon Head Cap Screw |
| MS35308-7 | Hexagon Head Cap Screw |
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.
- A003B0
- U - Precious metal content is unknown
- 0018257
- 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
- XX
- 093486
- Z
- 48950
- W - Rating variable
- 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 -
- 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 5305-00-688-2018
What is the FSCG of the NSN 5305-00-688-2018?
Does the NSN 5305-00-688-2018 have a Schedule B code assigned?
Does NSN 5305-00-688-2018 require demilitarization?
Does NSN 5305-00-688-2018 contain precious materials?
Does NSN 5305-00-688-2018 contain hazardous materials?
When the NSN 5305-00-688-2018 was assigned to the Federal Catalog?
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