PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

537802Nut,self-Locking,single Ball Sea

NSN 5310-00-841-5411 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-841-5411 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-841-5411. Primary manufacturer part number: 537802.
Features
  • Nut,self-Locking,single Ball Sea — FSC 5310
  • Nut Style: SINGLE BALL SEAT, HEXAGON
  • Thread Class: 2B
  • Ball Seat Radius: 0.875 INCHES NOMINAL IN
  • Thread Direction: LEFT-HAND
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Quantity Per Inch: 16
  • Thread Series: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-00-841-5411, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-841-5411
Primary Part Number537802
Item NameNut,self-Locking,single Ball Sea
FSC / FSG5310 / 53 — No Item Name Available
StatusACTIVE
Nut StyleSINGLE BALL SEAT, HEXAGON
Thread Class2B
Ball Seat Radius0.875 INCHES NOMINAL IN
Thread DirectionLEFT-HAND
Nominal Thread Size0.750 INCHES IN
Thread Quantity Per Inch16
Thread SeriesUNF
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut Height0.875 INCHES NOMINAL IN
Width Across Flats1.480 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5306-00-208-0198 INTERCHANGEABLE
Bolt,machine
5310-00-273-77711199G111 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Meritor Heavy Vehicle Systems, Llc
2240-00-652-3307537802 INTERCHANGEABLE
Seat
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5950-00-836-062637889 INTERCHANGEABLE
Reactor
Freed Transformer Co
1610-00-884-9992537802 INTERCHANGEABLE
Cup and Lugs,speed
Hamilton Sundstrand Corporation Dba Collins Aerospace
5315-01-133-961837889 INTERCHANGEABLE
Pin,shoulder,headed
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3120-01-158-210737889 INTERCHANGEABLE
Bearing,washer,thrust
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-01-194-1014 INTERCHANGEABLE
Relay,solid State
Cross-Reference Index
Part NumberManufacturer
537802 CAGE 00000
37889 Standard Forge and Axle Co Inc (USA)
Related Parts
5306-00-208-0198INTERCHANGEABLE
BOLT,MACHINE
5310-00-273-7771INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
1199G111
2240-00-652-3307INTERCHANGEABLE
SEAT
537802
5950-00-836-0626INTERCHANGEABLE
REACTOR
37889
1610-00-884-9992INTERCHANGEABLE
CUP AND LUGS,SPEED
537802
5315-01-133-9618INTERCHANGEABLE
PIN,SHOULDER,HEADED
37889
3120-01-158-2107INTERCHANGEABLE
BEARING,WASHER,THRUST
37889
5945-01-194-1014INTERCHANGEABLE
RELAY,SOLID STATE

Frequently Asked Questions

What is NSN 5310-00-841-5411?

NSN 5310-00-841-5411 is a Nut,self-Locking,single Ball Sea, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-841-5411?

NSN 5310-00-841-5411 has 2 cross-referenced part numbers: 537802, 37889 (Standard Forge and Axle Co Inc).

What NSN replaces 5310-00-841-5411?

There are 8 known substitutes for 5310-00-841-5411: 5306-00-208-0198, 5310-00-273-7771, 2240-00-652-3307 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 537802?

Key specifications for 537802: Nut Style: SINGLE BALL SEAT, HEXAGON; Thread Class: 2B; Ball Seat Radius: 0.875 INCHES NOMINAL IN; Thread Direction: LEFT-HAND. 12 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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