PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218562Nut,plain,square

General Motors Llc Dba General Motors Llc · NSN 5310-00-021-8562 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-021-8562 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-021-8562. Primary manufacturer part number: 218562.
Features
  • Nut,plain,square — FSC 5310
  • Nominal Thread Size: 0.125 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Bearing Surface Type: FLAT
  • Nut Height: 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Nut Style: SQUARE
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 5310-00-021-8562, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-021-8562
Primary Part Number218562
Item NameNut,plain,square
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Nominal Thread Size0.125 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Bearing Surface TypeFLAT
Nut Height0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Nut StyleSQUARE
Thread DirectionRIGHT-HAND
Width Across Flats0.302 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-010-3101103101 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-010-3102 INTERCHANGEABLE
Nut,plain,square
5310-00-010-3104103104 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-010-3105103105 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-011-4380114380 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-011-5984 INTERCHANGEABLE
Nut,plain,square
5310-00-012-0399120399 INTERCHANGEABLE
Nut,plain,square
Us Army Aviation and Missile Command
5310-00-012-0611120611 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-012-0619116219 INTERCHANGEABLE
Nut,plain,square
Am General Llc
5310-00-012-7797 INTERCHANGEABLE
Nut,plain,square
Cross-Reference Index
Part NumberManufacturer
218562 General Motors Llc Dba General Motors Llc (USA)
FFN836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
218562 Army Weapons Command Attn Amswe-Ree-S (USA)
MILB933TYPEB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
218562 General Motors Corp (USA)
Related Parts
5310-00-010-3101INTERCHANGEABLE
NUT,PLAIN,SQUARE
103101
5310-00-010-3102INTERCHANGEABLE
NUT,PLAIN,SQUARE
5310-00-010-3104INTERCHANGEABLE
NUT,PLAIN,SQUARE
103104
5310-00-010-3105INTERCHANGEABLE
NUT,PLAIN,SQUARE
103105
5310-00-011-4380INTERCHANGEABLE
NUT,PLAIN,SQUARE
114380
5310-00-011-5984INTERCHANGEABLE
NUT,PLAIN,SQUARE
5310-00-012-0399INTERCHANGEABLE
NUT,PLAIN,SQUARE
120399
5310-00-012-0611INTERCHANGEABLE
NUT,PLAIN,SQUARE
120611
5310-00-012-0619INTERCHANGEABLE
NUT,PLAIN,SQUARE
116219
5310-00-012-7797INTERCHANGEABLE
NUT,PLAIN,SQUARE
5310-00-013-1395INTERCHANGEABLE
NUT,PLAIN,SQUARE
131395
5310-00-013-4532INTERCHANGEABLE
NUT,PLAIN,SQUARE

Frequently Asked Questions

What is NSN 5310-00-021-8562?

NSN 5310-00-021-8562 is a Nut,plain,square, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-021-8562?

NSN 5310-00-021-8562 has 5 cross-referenced part numbers: 218562 (General Motors Llc Dba General Motors Llc), FFN836 (Federal Specifications Promulgated by General Services Administration Washington DC), 218562 (Army Weapons Command Attn Amswe-Ree-S), MILB933TYPEB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 218562 (General Motors Corp).

What NSN replaces 5310-00-021-8562?

There are 12 known substitutes for 5310-00-021-8562: 5310-00-010-3101, 5310-00-010-3102, 5310-00-010-3104 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218562?

Key specifications for 218562: Nominal Thread Size: 0.125 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40; Bearing Surface Type: FLAT. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-021-8562 still in active supply?

NSN 5310-00-021-8562 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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