PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50111Washer,flat

Hydro-Test Products, Inc. Dba Hydro-Test Products Inc · NSN 5310-01-206-5019 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-206-5019 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-206-5019. Primary manufacturer part number: 50111.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-206-5019, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Test Products, Inc. Dba Hydro-Test Products Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersHydro-Test Products, Inc. Dba Hydro-Test Products Inc (CAGE 56043)
Technical Specifications
ParameterValue
NSN5310-01-206-5019
Primary Part Number50111
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHydro-Test Products, Inc. Dba Hydro-Test Products Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-056-0298SM-B-595856-1 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-143-293550-11-1 INTERCHANGEABLE
Bearing,roller,thrust
Trailmobile Inc Sub of the Pullman Co
5360-00-320-513350111 INTERCHANGEABLE
Spring,helical,compression
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
2805-00-374-9751 INTERCHANGEABLE
Valve,poppet,engine
5310-00-474-025116-701-776 INTERCHANGEABLE
Washer,flat
Fairbanks Morse, Llc
5905-00-499-6955SM-C-604038 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-517-8482A205-1 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
6250-00-548-033850111 INTERCHANGEABLE
Lampholder Assembly
Telephone Company of America Incorporated
5365-00-585-987150111 INTERCHANGEABLE
Spacer,ring
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
7310-00-878-389450111-208V INTERCHANGEABLE
Heating Element,electrical,nonim
Wells Mfg Co
Cross-Reference Index
Part NumberManufacturer
50111 PRIMARY Hydro-Test Products, Inc. Dba Hydro-Test Products Inc (USA)
Related Parts
5950-00-056-0298INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-B-595856-1
3110-00-143-2935INTERCHANGEABLE
BEARING,ROLLER,THRUST
50-11-1
5360-00-320-5133INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50111
2805-00-374-9751INTERCHANGEABLE
VALVE,POPPET,ENGINE
5310-00-474-0251INTERCHANGEABLE
WASHER,FLAT
16-701-776
5905-00-499-6955INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
SM-C-604038
3120-00-517-8482INTERCHANGEABLE
BEARING,SLEEVE
A205-1
6250-00-548-0338INTERCHANGEABLE
LAMPHOLDER ASSEMBLY
50111
5365-00-585-9871INTERCHANGEABLE
SPACER,RING
50111
7310-00-878-3894INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50111-208V
5815-00-980-7601INTERCHANGEABLE
ROLLER
50-111
2920-01-248-4268INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
1109791

Frequently Asked Questions

What is NSN 5310-01-206-5019?

NSN 5310-01-206-5019 is a Washer,flat, manufactured by Hydro-Test Products, Inc. Dba Hydro-Test Products Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-206-5019?

NSN 5310-01-206-5019 has 1 cross-referenced part number: 50111 (Hydro-Test Products, Inc. Dba Hydro-Test Products Inc).

What NSN replaces 5310-01-206-5019?

There are 12 known substitutes for 5310-01-206-5019: 5950-00-056-0298, 3110-00-143-2935, 5360-00-320-5133 and 9 more. Verify interchangeability with system specifications before substitution.

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