503-4-04181-059
Machine Screw
This page provides complete and verified information for part number 503-4-04181-059, NSN 5305-00-151-0370
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 whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
0.844 inches minimum and 0.875 inches maximum fastener length, fillister head style, 0.844 inches minimum and 0.875 inches maximum thread length, 2a 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.844 inches minimum and 0.875 inches maximum
- Fastener Length
- 0.844 inches minimum and 0.875 inches maximum
- Head Style
- fillister
- Head Diameter
- 0.250 inches minimum and 0.270 inches maximum
- Head Height
- 0.106 inches minimum and 0.113 inches maximum
- Hole Diameter
- 0.047 inches nominal
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.164 inches
- Hole Quantity
- 1
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 60000 pounds per square inch
- Screw Material
- steel comp 1010
- Screw Material Document And Classification
- qq-s-633 fed spec single material response
- Screw Surface Treatment
- cadmium
- Screw Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 3 fed spec single treatment response
- Head Hole Configuration Style
- round
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 5s style
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
- Schedule B Code
- 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.
- A500D0
- U - Precious metal content is unknown
- 0006657
- 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 503-4-04181-059
What is the FSCG of the NSN 5305-00-151-0370?
Does the NSN 5305-00-151-0370 have a Schedule B code assigned?
Does NSN 5305-00-151-0370 require demilitarization?
Does NSN 5305-00-151-0370 contain precious materials?
Does NSN 5305-00-151-0370 contain hazardous materials?
When the NSN 5305-00-151-0370 was assigned to the Federal Catalog?
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