PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28121Screw,machine

Fastenal Company Div Bind · NSN 5305-01-424-7703 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-424-7703 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-424-7703. Primary manufacturer part number: 28121.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: ZINC
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: FLAT COUNTERSUNK
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Internal Drive Style: SLOT
  • Thread Quantity Per Inch: 16
  • Fastener Length: 1.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-424-7703, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Div Bind. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-424-7703
Primary Part Number28121
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Div Bind
StatusACTIVE
Screw Surface TreatmentZINC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFLAT COUNTERSUNK
Nominal Thread Diameter0.375 INCHES IN
Internal Drive StyleSLOT
Thread Quantity Per Inch16
Fastener Length1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-225-912228121 INTERCHANGEABLE
Packing Assembly
Cnh Industrial America Llc Dba Cnh America
5330-00-420-5796 INTERCHANGEABLE
Seal,plain Encased
3455-00-476-0840TABLE 48.D3/8IN INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
4820-01-014-3335D16200 INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
2940-01-158-146246723 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5955-01-198-787528-12-1 INTERCHANGEABLE
Crystal Unit,quartz
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
4940-01-411-487628-121 INTERCHANGEABLE
Table,positioning
Itw Industrial Finishing Dba Binks Devilbiss
5930-01-682-714128121 INTERCHANGEABLE
Switch Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
28121 PRIMARY Fastenal Company Div Bind (USA)
Related Parts
5330-00-225-9122INTERCHANGEABLE
PACKING ASSEMBLY
28121
5330-00-420-5796INTERCHANGEABLE
SEAL,PLAIN ENCASED
3455-00-476-0840INTERCHANGEABLE
CUTTER,MILLING,END
TABLE 48.D3/8IN
4820-01-014-3335INTERCHANGEABLE
VALVE,SAFETY RELIEF
D16200
2940-01-158-1462INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46723
5955-01-198-7875INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
28-12-1
4940-01-411-4876INTERCHANGEABLE
TABLE,POSITIONING
28-121
5930-01-682-7141INTERCHANGEABLE
SWITCH ASSEMBLY
28121

Frequently Asked Questions

What is NSN 5305-01-424-7703?

NSN 5305-01-424-7703 is a Screw,machine, manufactured by Fastenal Company Div Bind, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-424-7703?

NSN 5305-01-424-7703 has 1 cross-referenced part number: 28121 (Fastenal Company Div Bind).

What NSN replaces 5305-01-424-7703?

There are 8 known substitutes for 5305-01-424-7703: 5330-00-225-9122, 5330-00-420-5796, 3455-00-476-0840 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28121?

Key specifications for 28121: Screw Surface Treatment: ZINC; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: FLAT COUNTERSUNK; Nominal Thread Diameter: 0.375 INCHES IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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