PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2190-0016Washer,lock

Keysight Technologies Inc · NSN 5310-00-401-6931 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-401-6931 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-401-6931. Primary manufacturer part number: 2190-0016.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CHROMIUM OVERALL
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.394 INCHES NOMINAL IN
  • Material Thickness: 0.022 INCHES NOMINAL IN
  • Outside Diameter: 0.498 INCHES NOMINAL IN
  • Style Designator: FLAT INTERNAL TEETH
  • 5 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-401-6931, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-401-6931
Primary Part Number2190-0016
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Surface TreatmentCHROMIUM OVERALL
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.394 INCHES NOMINAL IN
Material Thickness0.022 INCHES NOMINAL IN
Outside Diameter0.498 INCHES NOMINAL IN
Style DesignatorFLAT INTERNAL TEETH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-369-57382190-0017 INTERCHANGEABLE
Flapper,valve,air System
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5895-01-573-000319200-2 INTERCHANGEABLE
Communications Data Link System
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
2190-0016 Hewlett-Packard Company Dba HP (USA)
2190-0016 PRIMARY Keysight Technologies Inc (USA)
24-00201-001 Raytheon Company (USA)
1920-02 Itw Shakeproof Automotive Products (USA)
2190-0016 Keysight Technologies, Inc. (USA)
Related Parts
4820-00-369-5738INTERCHANGEABLE
FLAPPER,VALVE,AIR SYSTEM
2190-0017
5895-01-573-0003INTERCHANGEABLE
COMMUNICATIONS DATA LINK SYSTEM
19200-2

Frequently Asked Questions

What is NSN 5310-00-401-6931?

NSN 5310-00-401-6931 is a Washer,lock, manufactured by Keysight Technologies Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-401-6931?

NSN 5310-00-401-6931 has 5 cross-referenced part numbers: 2190-0016 (Hewlett-Packard Company Dba HP), 2190-0016 (Keysight Technologies Inc), 24-00201-001 (Raytheon Company), 1920-02 (Itw Shakeproof Automotive Products), 2190-0016 (Keysight Technologies, Inc.).

What NSN replaces 5310-00-401-6931?

There are 2 known substitutes for 5310-00-401-6931: 4820-00-369-5738, 5895-01-573-0003. Verify interchangeability with system specifications before substitution.

What are the specifications of 2190-0016?

Key specifications for 2190-0016: Surface Treatment: CHROMIUM OVERALL; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.394 INCHES NOMINAL IN; Material Thickness: 0.022 INCHES NOMINAL IN. 6 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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