PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25509Standoff,threaded,spacing

Csts, Inc Dba Computer Sys Techl Support · NSN 5340-01-424-3015 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-424-3015 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-424-3015. Primary manufacturer part number: 25509.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL
  • Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
  • Nominal Thread Size: 0.1380 INCHES RIGHT INTERNAL IN
  • Thread Direction: RIGHT-HAND RIGHT INTERNAL
  • Material: ALUMINUM STANDOFF
  • Thread Class: 2B LEFT INTERNAL (INCLUDES THRU THREAD)
Applications
  • Applications requiring Aluminum Standoff construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-424-3015, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Csts, Inc Dba Computer Sys Techl Support. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-424-3015
Primary Part Number25509
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCsts, Inc Dba Computer Sys Techl Support
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL
Thread DirectionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
Nominal Thread Size0.1380 INCHES RIGHT INTERNAL IN
Thread DirectionRIGHT-HAND RIGHT INTERNAL
MaterialALUMINUM STANDOFF
Thread Class2B LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Quantity Per Inch32 RIGHT INTERNAL
Nominal Thread Size0.1380 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
Thread Class2B RIGHT INTERNAL
Width Across Flats0.3125 INCHES NOMINAL IN
Cross-Sectional ShapeHEXAGON
Thread Quantity Per Inch32 LEFT INTERNAL (INCLUDES THRU THREAD)
Style DesignatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
Length4.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
3120-00-467-001260526 INTERCHANGEABLE
Bearing,sleeve
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5990-01-123-655725509 INTERCHANGEABLE
Synchro,control Transformer
The Boeing Company Div Defense
4730-01-185-44418J5146 INTERCHANGEABLE
Strainer,sediment
Caterpillar Inc Div Caterpillar Defense
3020-01-268-2483207423 INTERCHANGEABLE
Gear,spur
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5306-01-503-639225-509 INTERCHANGEABLE
Bolt,machine
Crane Carrier Company, Llc
Cross-Reference Index
Part NumberManufacturer
3174AS5511 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
25509 PRIMARY Csts, Inc Dba Computer Sys Techl Support (USA)
Related Parts
3120-00-467-0012INTERCHANGEABLE
BEARING,SLEEVE
60526
5990-01-123-6557INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
25509
4730-01-185-4441INTERCHANGEABLE
STRAINER,SEDIMENT
8J5146
3020-01-268-2483INTERCHANGEABLE
GEAR,SPUR
207423
5306-01-503-6392INTERCHANGEABLE
BOLT,MACHINE
25-509

Frequently Asked Questions

What is NSN 5340-01-424-3015?

NSN 5340-01-424-3015 is a Standoff,threaded,spacing, manufactured by Csts, Inc Dba Computer Sys Techl Support, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-424-3015?

NSN 5340-01-424-3015 has 2 cross-referenced part numbers: 3174AS5511 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 25509 (Csts, Inc Dba Computer Sys Techl Support).

What NSN replaces 5340-01-424-3015?

There are 5 known substitutes for 5340-01-424-3015: 3120-00-467-0012, 5990-01-123-6557, 4730-01-185-4441 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25509?

Key specifications for 25509: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL; Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD); Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD); Nominal Thread Size: 0.1380 INCHES RIGHT INTERNAL IN. 15 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