PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50003-1Washer,flat

Aps Systems, Inc Dba Eidal International Corp · NSN 5310-01-223-8020 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-223-8020 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-223-8020. Primary manufacturer part number: 50003-1.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: MIL-P-22241,GR B TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYSTYRENE OVERALL
  • Thickness: 0.060 INCHES NOMINAL IN
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polystyrene Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-223-8020, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aps Systems, Inc Dba Eidal International 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-223-8020
Primary Part Number50003-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAps Systems, Inc Dba Eidal International Corp
StatusACTIVE
Material Document and ClassificationMIL-P-22241,GR B TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYSTYRENE OVERALL
Thickness0.060 INCHES NOMINAL IN
Overall Diameter0.500 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Hole Diameter0.170 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5355-00-354-01660048139 INTERCHANGEABLE
Knob
New Holland Construction
5962-00-539-4537 INTERCHANGEABLE
Microcircuit,linear
2520-01-157-3529000-50003-0001 INTERCHANGEABLE
Pivot,transmission Shift Control
Orscheln Products Llc
6615-01-266-764150003 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6625-01-299-4399 INTERCHANGEABLE
Voltmeter
5962-01-303-146450003-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5985-01-511-1987500031 INTERCHANGEABLE
Antenna
Rantec Microwave Systems Inc. Dba Technical Systems Associates
5331-01-550-8210 INTERCHANGEABLE
O-Ring
5975-01-625-796850-0031 INTERCHANGEABLE
Rail,guide
Phillips Corporation Div Federal Division
3460-01-643-1561500-031 INTERCHANGEABLE
Chuck,collet
Lyndex-Nikken Inc.
Cross-Reference Index
Part NumberManufacturer
50003-1 PRIMARY Aps Systems, Inc Dba Eidal International Corp (USA)
Related Parts
5355-00-354-0166INTERCHANGEABLE
KNOB
0048139
5962-00-539-4537INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2520-01-157-3529INTERCHANGEABLE
PIVOT,TRANSMISSION SHIFT CONTROL
000-50003-0001
6615-01-266-7641INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
50003
6625-01-299-4399INTERCHANGEABLE
VOLTMETER
5962-01-303-1464INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
50003-1
5985-01-511-1987INTERCHANGEABLE
ANTENNA
500031
5331-01-550-8210INTERCHANGEABLE
O-RING
5975-01-625-7968INTERCHANGEABLE
RAIL,GUIDE
50-0031
3460-01-643-1561INTERCHANGEABLE
CHUCK,COLLET
500-031

Frequently Asked Questions

What is NSN 5310-01-223-8020?

NSN 5310-01-223-8020 is a Washer,flat, manufactured by Aps Systems, Inc Dba Eidal International Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-223-8020?

NSN 5310-01-223-8020 has 1 cross-referenced part number: 50003-1 (Aps Systems, Inc Dba Eidal International Corp).

What NSN replaces 5310-01-223-8020?

There are 10 known substitutes for 5310-01-223-8020: 5355-00-354-0166, 5962-00-539-4537, 2520-01-157-3529 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50003-1?

Key specifications for 50003-1: Material Document and Classification: MIL-P-22241,GR B TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC POLYSTYRENE OVERALL; Thickness: 0.060 INCHES NOMINAL IN; Overall Diameter: 0.500 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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