PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2190-0084Washer,lock

Keysight Technologies Inc · NSN 5310-00-261-7160 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-261-7160 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-261-7160. Primary manufacturer part number: 2190-0084.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.022 INCHES NOMINAL IN
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment: NICKEL OVERALL
  • Material: STEEL OVERALL
  • Outside Diameter: 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
  • Hole Diameter: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • 16 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-261-7160, 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 16 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-261-7160
Primary Part Number2190-0084
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Material Thickness0.022 INCHES NOMINAL IN
Style DesignatorFLAT INTERNAL TEETH
Surface TreatmentNICKEL OVERALL
MaterialSTEEL OVERALL
Outside Diameter0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Hole Diameter0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3820-00-282-4942 INTERCHANGEABLE
Drill Rod,rock Drill
1560-00-312-968795731 INTERCHANGEABLE
Bracket,structural Component,air
Northrop Grumman Systems Corporation
5330-00-369-820630-202 INTERCHANGEABLE
Gasket Set
Thermo King Corporation Dba Phoenix Global Distirbution.
5905-00-497-90563D202 INTERCHANGEABLE
Resistor,thermal
Therm-O-Disc Inc Sub of Emerson Electric Co
5310-00-514-6844 INTERCHANGEABLE
Washer,lock
5940-00-565-10667654309 INTERCHANGEABLE
Terminal,lug
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5306-00-575-491530202 INTERCHANGEABLE
Bolt,machine
Danuser Machine Co
5325-00-612-8919121405 INTERCHANGEABLE
Ring,retaining
Kearfott Corporation Div Guidance and Navigation Division
5310-00-680-5391 INTERCHANGEABLE
Washer,lock
2030-00-840-8602 INTERCHANGEABLE
Parts Kit,slave Cylinder
Cross-Reference Index
Part NumberManufacturer
GA3003 Warwick Electronics Inc Pacific Mercury Div
2190-0084 PRIMARY Keysight Technologies Inc (USA)
9573-1 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
176074 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
2190-0084 Keysight Technologies, Inc. (USA)
2190-0084 Hewlett-Packard Company Dba HP (USA)
107003-213 Raytheon Company (USA)
8825429-705 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
1214-05 Itw Shakeproof Automotive Products (USA)
1214-05-00-0583 Itw Shakeproof Automotive Products (USA)
30-202 Federal Screw Products, Inc. (USA)
9573-1 Lockheed Martin Corporation (USA)
21724 Whittaker Corp Whittaker Electronic Systems Div (USA)
1214-05 Illinois Tool Works Inc (USA)
1214-05 Shakespeare Co Inc (USA)
30-202ADX Airdale Express Llc Div Airdale Express (USA)
Related Parts
3820-00-282-4942INTERCHANGEABLE
DRILL ROD,ROCK DRILL
1560-00-312-9687INTERCHANGEABLE
BRACKET,STRUCTURAL COMPONENT,AIR
95731
5330-00-369-8206INTERCHANGEABLE
GASKET SET
30-202
5905-00-497-9056INTERCHANGEABLE
RESISTOR,THERMAL
3D202
5310-00-514-6844INTERCHANGEABLE
WASHER,LOCK
5940-00-565-1066INTERCHANGEABLE
TERMINAL,LUG
7654309
5306-00-575-4915INTERCHANGEABLE
BOLT,MACHINE
30202
5325-00-612-8919INTERCHANGEABLE
RING,RETAINING
121405
5310-00-680-5391INTERCHANGEABLE
WASHER,LOCK
2030-00-840-8602INTERCHANGEABLE
PARTS KIT,SLAVE CYLINDER
5905-00-863-5641INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
8437014
5815-00-887-6484INTERCHANGEABLE
SPROCKET
176074

Frequently Asked Questions

What is NSN 5310-00-261-7160?

NSN 5310-00-261-7160 is a Washer,lock, manufactured by Keysight Technologies Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-261-7160?

NSN 5310-00-261-7160 has 16 cross-referenced part numbers: GA3003 (Warwick Electronics Inc Pacific Mercury Div), 2190-0084 (Keysight Technologies Inc), 9573-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 176074 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 2190-0084 (Keysight Technologies, Inc.) and 11 more.

What NSN replaces 5310-00-261-7160?

There are 12 known substitutes for 5310-00-261-7160: 3820-00-282-4942, 1560-00-312-9687, 5330-00-369-8206 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2190-0084?

Key specifications for 2190-0084: Material Thickness: 0.022 INCHES NOMINAL IN; Style Designator: FLAT INTERNAL TEETH; Surface Treatment: NICKEL OVERALL; End Item Identification: W/S:STURGEON CLASS SSN (637); RADAR SET, LIGHTWEIGHT 3D (AN/TPS-59); HELICOPTER, MH-53E; TRANSPONDER (TSEC/KIT-1A); INTERROGATION COMPUTER (KIR-1A); SPRUANCE CLASS DD (963); LOS ANGELES CLASS SSN (688); AIRCRAFT, C-2A (REPROCURED); FORRESTAL CLASS CV A. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-261-7160 still in active supply?

NSN 5310-00-261-7160 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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