PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25004FXNut,self-Locking,hexagon

Oshkosh Defense Llc · NSN 5310-01-062-1062 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-062-1062 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-062-1062. Primary manufacturer part number: 25004FX.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 2B
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
  • Bearing Surface Type: CHAMFERED
  • Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT
  • Nominal Thread Size: 0.312 INCHES IN
  • Surface Treatment: CADMIUM AND CHROMATE NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-062-1062, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-062-1062
Primary Part Number25004FX
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Thread Class2B
Thread SeriesUNF
Thread Quantity Per Inch24
Bearing Surface TypeCHAMFERED
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Nominal Thread Size0.312 INCHES IN
Surface TreatmentCADMIUM AND CHROMATE NUT
MaterialSTEEL NUT
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Nut Height0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
Width Across Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-152-700410083 INTERCHANGEABLE
Seal
Texas Hydraulics, Inc.
5340-00-209-9352 INTERCHANGEABLE
Bumper
5133-00-228-1368 INTERCHANGEABLE
Drill,twist
5330-00-285-5813287Y2 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
9540-00-529-5743 INTERCHANGEABLE
Beam,structural
5950-00-615-398363065 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
6610-00-758-894210083 INTERCHANGEABLE
Link
Ni Industries Inc Thermador/waste King Div
4320-00-962-275517660P INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-00-981-883410083 INTERCHANGEABLE
Impeller,pump,centrifugal
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
5940-01-097-6605 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
25004FX Oshkosh Corp (USA)
25004FX PRIMARY Oshkosh Defense Llc (USA)
25004-F Oshkosh Defense Llc (USA)
10083 Harvard Industries Inc (USA)
25004-F Oshkosh Corp (USA)
Related Parts
5330-00-152-7004INTERCHANGEABLE
SEAL
10083
5340-00-209-9352INTERCHANGEABLE
BUMPER
5133-00-228-1368INTERCHANGEABLE
DRILL,TWIST
5330-00-285-5813INTERCHANGEABLE
SEAL,PLAIN ENCASED
287Y2
9540-00-529-5743INTERCHANGEABLE
BEAM,STRUCTURAL
5950-00-615-3983INTERCHANGEABLE
TRANSFORMER,POWER
63065
6610-00-758-8942INTERCHANGEABLE
LINK
10083
4320-00-962-2755INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
17660P
4320-00-981-8834INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
10083
5940-01-097-6605INTERCHANGEABLE
TERMINAL BOARD
4730-01-121-4729INTERCHANGEABLE
PLATE
10083
6140-01-127-6186INTERCHANGEABLE
BATTERY CONNECTOR,SET

Frequently Asked Questions

What is NSN 5310-01-062-1062?

NSN 5310-01-062-1062 is a Nut,self-Locking,hexagon, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-062-1062?

NSN 5310-01-062-1062 has 5 cross-referenced part numbers: 25004FX (Oshkosh Corp), 25004FX (Oshkosh Defense Llc), 25004-F (Oshkosh Defense Llc), 10083 (Harvard Industries Inc), 25004-F (Oshkosh Corp).

What NSN replaces 5310-01-062-1062?

There are 12 known substitutes for 5310-01-062-1062: 5330-00-152-7004, 5340-00-209-9352, 5133-00-228-1368 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25004FX?

Key specifications for 25004FX: Thread Class: 2B; Thread Series: UNF; Thread Quantity Per Inch: 24; Bearing Surface Type: CHAMFERED. 13 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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