PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12FNNut,plain,extended Washer,hexago

White Roger Electron Devices Inc · NSN 5310-00-009-3913 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-009-3913 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-009-3913. Primary manufacturer part number: 12FN.
Features
  • Nut,plain,extended Washer,hexago — FSC 5310
  • Nut Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Washer Outside Diameter: 1.125 INCHES NOMINAL IN
  • Width Across Flats: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.500 INCHES IN
  • Hardness Rating: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
  • Thread Quantity Per Inch: 13
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-00-009-3913, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is White Roger Electron Devices Inc. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-009-3913
Primary Part Number12FN
Item NameNut,plain,extended Washer,hexago
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWhite Roger Electron Devices Inc
StatusACTIVE
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Washer Outside Diameter1.125 INCHES NOMINAL IN
Width Across Flats0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Nominal Thread Size0.500 INCHES IN
Hardness Rating83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
Thread Quantity Per Inch13
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentCADMIUM OVERALL
Washer Thickness0.156 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-202-93819975646-2 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Us Army Aviation and Missile Command
4720-00-922-51362663-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
4720-01-230-187412G1 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
12FN White Roger Electron Devices Inc (USA)
2250236 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4730-00-202-9381INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
9975646-2
4720-00-922-5136INTERCHANGEABLE
HOSE,NONMETALLIC
2663-12
4720-01-230-1874INTERCHANGEABLE
HOSE,NONMETALLIC
12G1

Frequently Asked Questions

What is NSN 5310-00-009-3913?

NSN 5310-00-009-3913 is a Nut,plain,extended Washer,hexago, manufactured by White Roger Electron Devices Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-009-3913?

NSN 5310-00-009-3913 has 2 cross-referenced part numbers: 12FN (White Roger Electron Devices Inc), 2250236 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5310-00-009-3913?

There are 3 known substitutes for 5310-00-009-3913: 4730-00-202-9381, 4720-00-922-5136, 4720-01-230-1874. Verify interchangeability with system specifications before substitution.

What are the specifications of 12FN?

Key specifications for 12FN: Nut Style: HEXAGON; Thread Direction: RIGHT-HAND; Washer Outside Diameter: 1.125 INCHES NOMINAL IN; Width Across Flats: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. 14 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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