PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

114-0436-002Nut,self-Locking,extended Washer

The Boeing Company Div Legacy Boeing Hb1 · NSN 5310-00-450-0040 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-450-0040 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-450-0040. Primary manufacturer part number: 114-0436-002.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Nut Style: HEXAGON
  • Nominal Thread Size: 0.112 INCHES IN
  • Washer Outside Diameter: 0.206 INCHES NOMINAL IN
  • Washer Thickness: 0.010 INCHES MINIMUM IN
  • Width Across Flats: 0.150 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-450-0040, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Boeing Hb1. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-450-0040
Primary Part Number114-0436-002
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Boeing Hb1
StatusACTIVE
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Nut StyleHEXAGON
Nominal Thread Size0.112 INCHES IN
Washer Outside Diameter0.206 INCHES NOMINAL IN
Washer Thickness0.010 INCHES MINIMUM IN
Width Across Flats0.150 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPECIAL TEST FEATURES
MaterialIRON ALLOY 660 OVERALL
Thread Class3B
Special Test FeaturesMIL-Q-21549B-SP24-1
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-845-2359NAS1291C04M INTERCHANGEABLE
Nut,self-Locking,extended Washer
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
114-0436-002 The Boeing Company Div Legacy Boeing Hb1 (USA)
Related Parts
5310-00-845-2359INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
NAS1291C04M

Frequently Asked Questions

What is NSN 5310-00-450-0040?

NSN 5310-00-450-0040 is a Nut,self-Locking,extended Washer, manufactured by The Boeing Company Div Legacy Boeing Hb1, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-450-0040?

NSN 5310-00-450-0040 has 1 cross-referenced part number: 114-0436-002 (The Boeing Company Div Legacy Boeing Hb1).

What NSN replaces 5310-00-450-0040?

There is 1 known substitute for 5310-00-450-0040: 5310-00-845-2359. Verify interchangeability with system specifications before substitution.

What are the specifications of 114-0436-002?

Key specifications for 114-0436-002: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40; Nut Style: HEXAGON; Nominal Thread Size: 0.112 INCHES IN. 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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