PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3123Washer,flat

Keystone Electronics Corp · NSN 5310-01-392-2582 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-392-2582 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-392-2582. Primary manufacturer part number: 3123.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: ASTM D4066, GR 6/6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.140 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-392-2582, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keystone Electronics Corp. Government technical data includes 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-392-2582
Primary Part Number3123
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Peripheral Shape StyleROUND
Material Document and ClassificationASTM D4066, GR 6/6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.140 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Overall Diameter0.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-296-43753123 INTERCHANGEABLE
Switch,rotary
Yosemite Investment Inc Dba North American Capacitor Co
3411-00-386-6739 INTERCHANGEABLE
Boring Machine,jig
5930-00-548-6672312-3 INTERCHANGEABLE
Switch,rotary
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6930-01-042-66102037237-10 INTERCHANGEABLE
Indicator,special
Cae Usa Inc.
5330-01-050-6133110-0892 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5136-01-152-53133123 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
2590-01-164-18683123 INTERCHANGEABLE
Carrier Assembly,secondary
DP Manufacturing Inc.
2910-01-193-281225011285 INTERCHANGEABLE
Filter Element,fluid
General Motors Llc Dba General Motors Llc
2040-01-366-0346Z65055 INTERCHANGEABLE
Paddle,boat
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
Cross-Reference Index
Part NumberManufacturer
3123 PRIMARY Keystone Electronics Corp (USA)
Related Parts
5930-00-296-4375INTERCHANGEABLE
SWITCH,ROTARY
3123
3411-00-386-6739INTERCHANGEABLE
BORING MACHINE,JIG
5930-00-548-6672INTERCHANGEABLE
SWITCH,ROTARY
312-3
6930-01-042-6610INTERCHANGEABLE
INDICATOR,SPECIAL
2037237-10
5330-01-050-6133INTERCHANGEABLE
GASKET
110-0892
5136-01-152-5313INTERCHANGEABLE
DIE,THREAD CUTTING
3123
2590-01-164-1868INTERCHANGEABLE
CARRIER ASSEMBLY,SECONDARY
3123
2910-01-193-2812INTERCHANGEABLE
FILTER ELEMENT,FLUID
25011285
2040-01-366-0346INTERCHANGEABLE
PADDLE,BOAT
Z65055

Frequently Asked Questions

What is NSN 5310-01-392-2582?

NSN 5310-01-392-2582 is a Washer,flat, manufactured by Keystone Electronics Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-392-2582?

NSN 5310-01-392-2582 has 1 cross-referenced part number: 3123 (Keystone Electronics Corp).

What NSN replaces 5310-01-392-2582?

There are 9 known substitutes for 5310-01-392-2582: 5930-00-296-4375, 3411-00-386-6739, 5930-00-548-6672 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3123?

Key specifications for 3123: Peripheral Shape Style: ROUND; Material Document and Classification: ASTM D4066, GR 6/6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC POLYAMIDE NYLON OVERALL; Thickness: 0.031 INCHES NOMINAL IN. 8 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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