PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S109Screw,cap,hexagon Head

Cummins Inc. · NSN 5305-00-851-5992 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-851-5992 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-851-5992. Primary manufacturer part number: S109.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Width Between Flats: 0.562 INCHES NOMINAL IN
  • Thread Length: 0.875 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Fastener Length: 0.875 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-851-5992, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-851-5992
Primary Part NumberS109
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Nominal Thread Diameter0.375 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Between Flats0.562 INCHES NOMINAL IN
Thread Length0.875 INCHES MAXIMUM IN
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Fastener Length0.875 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Head Height0.243 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Quantity Per Inch16
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-145-7557 INTERCHANGEABLE
Angle,structural
4330-01-092-1654S-109 INTERCHANGEABLE
Filter Element,fluid
Bijur Lubricating Corp
5305-01-140-9118B1821BH038C088N INTERCHANGEABLE
Screw,cap,hexagon Head
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
S109 PRIMARY Cummins Inc. (USA)
Related Parts
9540-00-145-7557INTERCHANGEABLE
ANGLE,STRUCTURAL
4330-01-092-1654INTERCHANGEABLE
FILTER ELEMENT,FLUID
S-109
5305-01-140-9118INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
B1821BH038C088N

Frequently Asked Questions

What is NSN 5305-00-851-5992?

NSN 5305-00-851-5992 is a Screw,cap,hexagon Head, manufactured by Cummins Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-851-5992?

NSN 5305-00-851-5992 has 1 cross-referenced part number: S109 (Cummins Inc.).

What NSN replaces 5305-00-851-5992?

There are 3 known substitutes for 5305-00-851-5992: 9540-00-145-7557, 4330-01-092-1654, 5305-01-140-9118. Verify interchangeability with system specifications before substitution.

What are the specifications of S109?

Key specifications for S109: Nominal Thread Diameter: 0.375 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Between Flats: 0.562 INCHES NOMINAL IN; Thread Length: 0.875 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com