PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3109140Screw,cap,hexagon Head

Gerstenlager Co the · NSN 5305-00-021-6390 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-021-6390 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-021-6390. Primary manufacturer part number: 3109140.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.562 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.750 INCHES IN
  • Width Between Flats: 1.000 INCHES NOMINAL IN
  • Thread Length: 1.750 INCHES MINIMUM IN
  • Minimum Tensile Strength: 64000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
  • 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 5305-00-021-6390, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gerstenlager Co the. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-021-6390
Primary Part Number3109140
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGerstenlager Co the
StatusACTIVE
Head Height0.562 INCHES NOMINAL IN
Nominal Thread Diameter0.750 INCHES IN
Width Between Flats1.000 INCHES NOMINAL IN
Thread Length1.750 INCHES MINIMUM IN
Minimum Tensile Strength64000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 2 GRADE
Thread Quantity Per Inch16
Thread Class2A A
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Fastener Length5.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-113-4845 INTERCHANGEABLE
Drill,twist
4310-00-392-5318 INTERCHANGEABLE
Piston,compressor
3120-00-410-6528 INTERCHANGEABLE
Shell,rear Bearing
4720-01-193-2592 INTERCHANGEABLE
Hose Assembly,nonmetallic
5950-01-217-86274018450 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
8115-01-394-98625026-0909 INTERCHANGEABLE
Box,micro Tube Storage
Nalge Co Div of Sybron Corp
Cross-Reference Index
Part NumberManufacturer
3109140 Gerstenlager Co the (USA)
14552 Pressed Metals of America Inc (USA)
FFS85TYPE2STYLE10PGRADE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5133-00-113-4845INTERCHANGEABLE
DRILL,TWIST
4310-00-392-5318INTERCHANGEABLE
PISTON,COMPRESSOR
3120-00-410-6528INTERCHANGEABLE
SHELL,REAR BEARING
4720-01-193-2592INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5950-01-217-8627INTERCHANGEABLE
TRANSFORMER,POWER
4018450
8115-01-394-9862INTERCHANGEABLE
BOX,MICRO TUBE STORAGE
5026-0909

Frequently Asked Questions

What is NSN 5305-00-021-6390?

NSN 5305-00-021-6390 is a Screw,cap,hexagon Head, manufactured by Gerstenlager Co the, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-021-6390?

NSN 5305-00-021-6390 has 3 cross-referenced part numbers: 3109140 (Gerstenlager Co the), 14552 (Pressed Metals of America Inc), FFS85TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-021-6390?

There are 6 known substitutes for 5305-00-021-6390: 5133-00-113-4845, 4310-00-392-5318, 3120-00-410-6528 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3109140?

Key specifications for 3109140: Head Height: 0.562 INCHES NOMINAL IN; Nominal Thread Diameter: 0.750 INCHES IN; Width Between Flats: 1.000 INCHES NOMINAL IN; Thread Length: 1.750 INCHES MINIMUM IN. 14 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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