PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20501-11Nut,plain,hexagon

Honeywell International, Inc Div Aerospace-Tucson · NSN 5310-00-483-9944 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-483-9944 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-483-9944. Primary manufacturer part number: 20501-11.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.188 INCHES NOMINAL IN
  • Thread Class: 2B
  • Thread Series: UNF
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Quantity Per Inch: 28
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-483-9944, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-483-9944
Primary Part Number20501-11
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Nut Height0.188 INCHES NOMINAL IN
Thread Class2B
Thread SeriesUNF
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Quantity Per Inch28
Nut StyleHEXAGON
Surface TreatmentCADMIUM OVERALL
MaterialCOPPER ALLOY OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-155-7688502-120 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
Cross-Reference Index
Part NumberManufacturer
20501-11 Honeywell International, Inc Div Aerospace-Tucson (USA)
20501-11 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
20501-11 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
Related Parts
5940-00-155-7688INTERCHANGEABLE
TERMINAL,LUG
502-120

Frequently Asked Questions

What is NSN 5310-00-483-9944?

NSN 5310-00-483-9944 is a Nut,plain,hexagon, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-483-9944?

NSN 5310-00-483-9944 has 3 cross-referenced part numbers: 20501-11 (Honeywell International, Inc Div Aerospace-Tucson), 20501-11 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 20501-11 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems).

What NSN replaces 5310-00-483-9944?

There is 1 known substitute for 5310-00-483-9944: 5940-00-155-7688. Verify interchangeability with system specifications before substitution.

What are the specifications of 20501-11?

Key specifications for 20501-11: Nut Height: 0.188 INCHES NOMINAL IN; Thread Class: 2B; Thread Series: UNF; Nominal Thread Size: 0.250 INCHES IN. 11 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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