PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

105609Nut,plain,square

Army Weapons Command Attn Amswe-Ree-S · NSN 5310-00-010-5609 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-010-5609 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-010-5609. Primary manufacturer part number: 105609.
Features
  • Nut,plain,square — FSC 5310
  • Thread Class: 2B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: WASHER FACED
  • Thread Quantity Per Inch: 12
  • Nominal Thread Size: 0.562 INCHES IN
  • Material: STEEL OVERALL
  • Width Across Flats: 0.847 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,square, cataloged under National Stock Number 5310-00-010-5609, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 10 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-010-5609
Primary Part Number105609
Item NameNut,plain,square
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Thread Class2B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeWASHER FACED
Thread Quantity Per Inch12
Nominal Thread Size0.562 INCHES IN
MaterialSTEEL OVERALL
Width Across Flats0.847 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Nut Height0.479 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-010-5605 INTERCHANGEABLE
Nut,plain,square
5310-00-010-560627040BTC INTERCHANGEABLE
Nut,plain,square
Badger Truck and Automotive Group, Inc.
5310-00-010-5611105611 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-012-5550125550 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-012-5557 INTERCHANGEABLE
Nut,plain,square
5310-00-014-0632140632 INTERCHANGEABLE
Nut,plain,square
General Motors Llc Dba General Motors Llc
5315-00-740-9981105609 INTERCHANGEABLE
Pin Straight
Garwood/feller Inc Garwood Winch Div
2940-01-543-9264AF1894M INTERCHANGEABLE
Filter Element,intake Air Cleane
Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
5411-01-707-7469105609 INTERCHANGEABLE
Shelter,nonexpandable,integrated
Lite Coms Llc
Cross-Reference Index
Part NumberManufacturer
105609 Army Weapons Command Attn Amswe-Ree-S (USA)
FFB571TYPEB1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-010-5605INTERCHANGEABLE
NUT,PLAIN,SQUARE
5310-00-010-5606INTERCHANGEABLE
NUT,PLAIN,SQUARE
27040BTC
5310-00-010-5611INTERCHANGEABLE
NUT,PLAIN,SQUARE
105611
5310-00-012-5550INTERCHANGEABLE
NUT,PLAIN,SQUARE
125550
5310-00-012-5557INTERCHANGEABLE
NUT,PLAIN,SQUARE
5310-00-014-0632INTERCHANGEABLE
NUT,PLAIN,SQUARE
140632
5315-00-740-9981INTERCHANGEABLE
PIN STRAIGHT
105609
2940-01-543-9264INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
AF1894M
5411-01-707-7469INTERCHANGEABLE
SHELTER,NONEXPANDABLE,INTEGRATED
105609

Frequently Asked Questions

What is NSN 5310-00-010-5609?

NSN 5310-00-010-5609 is a Nut,plain,square, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-010-5609?

NSN 5310-00-010-5609 has 2 cross-referenced part numbers: 105609 (Army Weapons Command Attn Amswe-Ree-S), FFB571TYPEB1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-010-5609?

There are 9 known substitutes for 5310-00-010-5609: 5310-00-010-5605, 5310-00-010-5606, 5310-00-010-5611 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 105609?

Key specifications for 105609: Thread Class: 2B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: WASHER FACED; Thread Quantity Per Inch: 12. 10 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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