PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404 909Nut,self-Locking,hexagon

Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company · NSN 5310-00-543-4700 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-543-4700 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-543-4700. Primary manufacturer part number: 404 909.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material: STEEL OVERALL
  • Thread Quantity Per Inch: 32
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-543-4700, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-543-4700
Primary Part Number404 909
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPiper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
StatusACTIVE
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL OVERALL
Thread Quantity Per Inch32
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread Class2B
Thread DirectionRIGHT-HAND
Nominal Thread Size0.138 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nut Height0.172 INCHES NOMINAL IN
Width Across Flats0.313 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2840-00-778-7982404909 INTERCHANGEABLE
Plate,mounting,cooler,coil
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-01-340-228640490-9 PART 40490-903 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-482-358640490-902 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-4774916-00 INTERCHANGEABLE
Body,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-502440490-905 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
404 909 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
ANN5 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
MS20365-632C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2840-00-778-7982INTERCHANGEABLE
PLATE,MOUNTING,COOLER,COIL
404909
4820-01-340-2286INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-9 PART 40490-903
4820-01-482-3586INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-902
4820-01-725-4774INTERCHANGEABLE
BODY,VALVE
916-00
4820-01-725-5024INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-905

Frequently Asked Questions

What is NSN 5310-00-543-4700?

NSN 5310-00-543-4700 is a Nut,self-Locking,hexagon, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-543-4700?

NSN 5310-00-543-4700 has 3 cross-referenced part numbers: 404 909 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), ANN5 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), MS20365-632C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-543-4700?

There are 5 known substitutes for 5310-00-543-4700: 2840-00-778-7982, 4820-01-340-2286, 4820-01-482-3586 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 404 909?

Key specifications for 404 909: Surface Treatment: CADMIUM OR ZINC OVERALL; Material: STEEL OVERALL; Thread Quantity Per Inch: 32; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF. 11 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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