PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26432Nut,self-Locking,hexagon

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-439-9949 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-439-9949 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-439-9949. Primary manufacturer part number: 26432.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Bearing Surface Type: FLAT
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
  • Thread Class: 3B
  • Width Across Flats: 0.562 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1137 Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-439-9949, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-439-9949
Primary Part Number26432
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Bearing Surface TypeFLAT
Nominal Thread Size0.375 INCHES IN
Thread SeriesUNF
Thread Quantity Per Inch24
Thread Class3B
Width Across Flats0.562 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 1137 LOCKING INSERT
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height0.453 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5024 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5360-00-340-039326432 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
1680-00-474-1269 INTERCHANGEABLE
Coupling
5310-00-488-9082 INTERCHANGEABLE
Nut,self-Locking,slotted,hexagon
5940-00-629-73641117-14-0119 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
5950-00-645-726126432 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
4720-00-678-873026432 INTERCHANGEABLE
Hose,preformed
Gates Corporation
3120-00-985-445365A81F884-5 INTERCHANGEABLE
Bearing,sleeve
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5310-01-391-274726432 INTERCHANGEABLE
Nut,self-Locking,hexagon
Tulsa Winch, Inc.
Cross-Reference Index
Part NumberManufacturer
26432 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5360-00-340-0393INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
26432
1680-00-474-1269INTERCHANGEABLE
COUPLING
5310-00-488-9082INTERCHANGEABLE
NUT,SELF-LOCKING,SLOTTED,HEXAGON
5940-00-629-7364INTERCHANGEABLE
TERMINAL,FEEDTHRU
1117-14-0119
5950-00-645-7261INTERCHANGEABLE
TRANSFORMER,POWER
26432
4720-00-678-8730INTERCHANGEABLE
HOSE,PREFORMED
26432
3120-00-985-4453INTERCHANGEABLE
BEARING,SLEEVE
65A81F884-5
5310-01-391-2747INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
26432

Frequently Asked Questions

What is NSN 5310-00-439-9949?

NSN 5310-00-439-9949 is a Nut,self-Locking,hexagon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-439-9949?

NSN 5310-00-439-9949 has 1 cross-referenced part number: 26432 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-00-439-9949?

There are 8 known substitutes for 5310-00-439-9949: 5360-00-340-0393, 1680-00-474-1269, 5310-00-488-9082 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26432?

Key specifications for 26432: Bearing Surface Type: FLAT; Nominal Thread Size: 0.375 INCHES IN; Thread Series: UNF; Thread Quantity Per Inch: 24. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-439-9949 still in active supply?

NSN 5310-00-439-9949 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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