PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131-51Nut,self-Locking,hexagon

Cnh Industrial America Llc Dba Cnh America · NSN 5310-00-010-8414 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-010-8414 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-010-8414. Primary manufacturer part number: 131-51.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Series: UNJC
  • Nominal Thread Size: 0.438 INCHES IN
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Bearing Surface Type: CHAMFERED
  • Surface Treatment Document and Classification: QQ-Z-325,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
  • Thread Quantity Per Inch: 14
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1212 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-010-8414, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cnh Industrial America Llc Dba Cnh America. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN5310-00-010-8414
Primary Part Number131-51
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCnh Industrial America Llc Dba Cnh America
StatusACTIVE
Thread Class3B
Thread SeriesUNJC
Nominal Thread Size0.438 INCHES IN
Bearing Surface Finish125.0 MICROINCHES
Bearing Surface TypeCHAMFERED
Surface Treatment Document and ClassificationQQ-Z-325,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Thread Quantity Per Inch14
Width Across Flats0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE NUT
Surface TreatmentZINC OVERALL EXCEPT INSERT
Material Document and ClassificationMIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
MaterialSTEEL COMP 1212 NUT
Nut Height0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-004-7658986067-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
4820-00-036-1595N13151 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
2910-00-076-97740-13151 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
3020-00-228-08531315-1 INTERCHANGEABLE
Gear,bevel
Terrain King Corporation
5136-00-239-2174 INTERCHANGEABLE
Tap,thread Cutting
5950-00-763-1483SM-C-500470-2 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2590-01-604-507113151 INTERCHANGEABLE
Cover,vehicular Components
DP Manufacturing Inc.
6110-01-659-2739 INTERCHANGEABLE
Panel,motor Power
Cross-Reference Index
Part NumberManufacturer
2533408-18 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2533408PC18 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
131-51 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
21NE074 Harvard Industries Inc (USA)
Related Parts
5950-00-004-7658INTERCHANGEABLE
REACTOR
986067-1
4820-00-036-1595INTERCHANGEABLE
CAP,VALVE
N13151
2910-00-076-9774INTERCHANGEABLE
CARBURETOR,FLOAT
0-13151
3020-00-228-0853INTERCHANGEABLE
GEAR,BEVEL
1315-1
5136-00-239-2174INTERCHANGEABLE
TAP,THREAD CUTTING
5950-00-763-1483INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-500470-2
2590-01-604-5071INTERCHANGEABLE
COVER,VEHICULAR COMPONENTS
13151
6110-01-659-2739INTERCHANGEABLE
PANEL,MOTOR POWER

Frequently Asked Questions

What is NSN 5310-00-010-8414?

NSN 5310-00-010-8414 is a Nut,self-Locking,hexagon, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-010-8414?

NSN 5310-00-010-8414 has 4 cross-referenced part numbers: 2533408-18 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2533408PC18 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 131-51 (Cnh Industrial America Llc Dba Cnh America), 21NE074 (Harvard Industries Inc).

What NSN replaces 5310-00-010-8414?

There are 8 known substitutes for 5310-00-010-8414: 5950-00-004-7658, 4820-00-036-1595, 2910-00-076-9774 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 131-51?

Key specifications for 131-51: Thread Class: 3B; Thread Series: UNJC; Nominal Thread Size: 0.438 INCHES IN; Bearing Surface Finish: 125.0 MICROINCHES. 17 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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