PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31286Nut,self-Locking,round

Eaton Corp Aerospace Fluid Conveyance · NSN 5310-01-661-4026 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-661-4026 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-661-4026. Primary manufacturer part number: 31286.
Features
  • Nut,self-Locking,round — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corp Aerospace Fluid Conveyance
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-661-4026, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp Aerospace Fluid Conveyance. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,round
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersEaton Corp Aerospace Fluid Conveyance (CAGE 4LPM8)
Technical Specifications
ParameterValue
NSN5310-01-661-4026
Primary Part Number31286
Item NameNut,self-Locking,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Corp Aerospace Fluid Conveyance
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-450-662631286 INTERCHANGEABLE
Tee,tube
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5310-00-637-210531286 INTERCHANGEABLE
Washer,flat
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Cross-Reference Index
Part NumberManufacturer
31286 PRIMARY Eaton Corp Aerospace Fluid Conveyance (USA)
Related Parts
4730-00-450-6626INTERCHANGEABLE
TEE,TUBE
31286
5310-00-637-2105INTERCHANGEABLE
WASHER,FLAT
31286

Frequently Asked Questions

What is NSN 5310-01-661-4026?

NSN 5310-01-661-4026 is a Nut,self-Locking,round, manufactured by Eaton Corp Aerospace Fluid Conveyance, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-661-4026?

NSN 5310-01-661-4026 has 1 cross-referenced part number: 31286 (Eaton Corp Aerospace Fluid Conveyance).

What NSN replaces 5310-01-661-4026?

There are 2 known substitutes for 5310-01-661-4026: 4730-00-450-6626, 5310-00-637-2105. Verify interchangeability with system specifications before substitution.

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