PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-272Nut,self-Locking,assembled Washe

Motorola Automotive Electronics · NSN 5310-01-209-7257 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-209-7257 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-209-7257. Primary manufacturer part number: 20-272.
Features
  • Nut,self-Locking,assembled Washe — FSC 5310
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Quantity Per Inch: 24
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nut Style: EXTERNAL TOOTH
  • Washer Outside Diameter: 0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-209-7257, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Motorola Automotive Electronics. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-209-7257
Primary Part Number20-272
Item NameNut,self-Locking,assembled Washe
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMotorola Automotive Electronics
StatusACTIVE
Thread Class2B
Thread DirectionRIGHT-HAND
Nominal Thread Size0.190 INCHES IN
Thread Quantity Per Inch24
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nut StyleEXTERNAL TOOTH
Washer Outside Diameter0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut Height0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Width Across Flats0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-176-71551559-2 INTERCHANGEABLE
Terminal,stud
Keystone Electronics Corp
5940-00-243-442720272 INTERCHANGEABLE
Ferrule,electrical Conductor
Vse Aviation, Inc.
4310-00-468-0032 INTERCHANGEABLE
Cap,main Bearing
5950-00-492-0238 INTERCHANGEABLE
Reactor
5935-00-699-0873 INTERCHANGEABLE
Connector,plug,electrical
4935-01-049-1089 INTERCHANGEABLE
Terminal
5940-01-051-27245032-B-1 INTERCHANGEABLE
Terminal,stud
Lerco Div Space-Lok Inc
3120-01-051-533220272 INTERCHANGEABLE
Bushing,sleeve
Kone Inc.
5962-01-097-2451 INTERCHANGEABLE
Microcircuit,digital
8530-01-371-0055 INTERCHANGEABLE
Soapbox
Cross-Reference Index
Part NumberManufacturer
20-272 PRIMARY Motorola Automotive Electronics (USA)
Related Parts
5940-00-176-7155INTERCHANGEABLE
TERMINAL,STUD
1559-2
5940-00-243-4427INTERCHANGEABLE
FERRULE,ELECTRICAL CONDUCTOR
20272
4310-00-468-0032INTERCHANGEABLE
CAP,MAIN BEARING
5950-00-492-0238INTERCHANGEABLE
REACTOR
5935-00-699-0873INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4935-01-049-1089INTERCHANGEABLE
TERMINAL
5940-01-051-2724INTERCHANGEABLE
TERMINAL,STUD
5032-B-1
3120-01-051-5332INTERCHANGEABLE
BUSHING,SLEEVE
20272
5962-01-097-2451INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
8530-01-371-0055INTERCHANGEABLE
SOAPBOX
4820-01-532-6933INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
6515-01-590-9278INTERCHANGEABLE
MASK,INTRA-ORAL,CARDIOPULMONARY

Frequently Asked Questions

What is NSN 5310-01-209-7257?

NSN 5310-01-209-7257 is a Nut,self-Locking,assembled Washe, manufactured by Motorola Automotive Electronics, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-209-7257?

NSN 5310-01-209-7257 has 1 cross-referenced part number: 20-272 (Motorola Automotive Electronics).

What NSN replaces 5310-01-209-7257?

There are 12 known substitutes for 5310-01-209-7257: 5940-00-176-7155, 5940-00-243-4427, 4310-00-468-0032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-272?

Key specifications for 20-272: Thread Class: 2B; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN; Thread Quantity Per Inch: 24. 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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