PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N 44Nut,self-Locking,hexagon

Skf Usa Inc. · NSN 5310-01-613-0125 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-613-0125 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-613-0125. Primary manufacturer part number: N 44.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Series: M
  • Nut Style: HEXAGON
  • Width Across Flats: 279.5 MILLIMETERS NOMINAL MM
  • Thread Direction: RIGHT-HAND
  • 2 verified cross-references
  • Primary manufacturer: Skf Usa Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-613-0125, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-613-0125
Primary Part NumberN 44
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Thread SeriesM
Nut StyleHEXAGON
Width Across Flats279.5 MILLIMETERS NOMINAL MM
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-139-7492N4-4 INTERCHANGEABLE
Nut,plain,round
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
3220-00-174-1522 INTERCHANGEABLE
Shaper,woodworking
5315-00-188-9378N44 INTERCHANGEABLE
Key,machine
Circor Naval Solutions Llc Dba Warren Pumps
4730-00-189-2729SAE J513 4 010167B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
3220-00-278-9815N44 INTERCHANGEABLE
Shaper,woodworking
Yates-American Machine Co Inc
5999-00-504-6937N44 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
5140-01-095-928409 445 INTERCHANGEABLE
Carrier,tool
Goldblatt Tool Co Sub of Axia Inc
Cross-Reference Index
Part NumberManufacturer
N 44 PRIMARY Skf Usa Inc. (USA)
408-14444-00 Kato Engineering Inc. (USA)
Related Parts
5310-00-139-7492INTERCHANGEABLE
NUT,PLAIN,ROUND
N4-4
3220-00-174-1522INTERCHANGEABLE
SHAPER,WOODWORKING
5315-00-188-9378INTERCHANGEABLE
KEY,MACHINE
N44
4730-00-189-2729INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J513 4 010167B
3220-00-278-9815INTERCHANGEABLE
SHAPER,WOODWORKING
N44
5999-00-504-6937INTERCHANGEABLE
HEATER,THERMAL RELEASE
N44
5140-01-095-9284INTERCHANGEABLE
CARRIER,TOOL
09 445

Frequently Asked Questions

What is NSN 5310-01-613-0125?

NSN 5310-01-613-0125 is a Nut,self-Locking,hexagon, manufactured by Skf Usa Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-613-0125?

NSN 5310-01-613-0125 has 2 cross-referenced part numbers: N 44 (Skf Usa Inc.), 408-14444-00 (Kato Engineering Inc.).

What NSN replaces 5310-01-613-0125?

There are 7 known substitutes for 5310-01-613-0125: 5310-00-139-7492, 3220-00-174-1522, 5315-00-188-9378 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N 44?

Key specifications for N 44: Part Name Assigned by Controlling Agency: LOCKNUT; Thread Series: M; Nut Style: HEXAGON; Width Across Flats: 279.5 MILLIMETERS NOMINAL MM. 5 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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