PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23803Washer,flat

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5310-00-520-7950 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-520-7950 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-520-7950. Primary manufacturer part number: 23803.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: COPPER ALLOY OR COPPER ALLOY C OVERALL
  • Surface Finish: 100.0 MICROINCHES ALL SURFACES
  • Overall Diameter: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
  • Hole Diameter: 0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy or Copper Alloy C Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-520-7950, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-520-7950
Primary Part Number23803
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
MaterialCOPPER ALLOY OR COPPER ALLOY C OVERALL
Surface Finish100.0 MICROINCHES ALL SURFACES
Overall Diameter1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Hole Diameter0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3120-00-061-615323803 INTERCHANGEABLE
Bearing,sleeve
Triumph Engine Control Systems Llc
1650-00-572-552101T12376 INTERCHANGEABLE
Head,fluid Filter
Falls Filtration Technologies, Inc.
1630-00-909-2247133-50-1 INTERCHANGEABLE
Disc,brake
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5355-01-284-15792380-3 INTERCHANGEABLE
Window,dial
Mod-a-Can Inc
8470-01-506-6622 INTERCHANGEABLE
Helmet,advanced Combat
8470-01-506-6623 INTERCHANGEABLE
Helmet,advanced Combat
5985-01-676-1110ANT-4007 INTERCHANGEABLE
Antenna
Persistent Systems Llc
Cross-Reference Index
Part NumberManufacturer
3274295REVA Naval Ship Systems Command (USA)
23803REVA L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
3274295 Naval Ship Systems Command (USA)
23803 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
3120-00-061-6153INTERCHANGEABLE
BEARING,SLEEVE
23803
1650-00-572-5521INTERCHANGEABLE
HEAD,FLUID FILTER
01T12376
1630-00-909-2247INTERCHANGEABLE
DISC,BRAKE
133-50-1
5355-01-284-1579INTERCHANGEABLE
WINDOW,DIAL
2380-3
8470-01-506-6622INTERCHANGEABLE
HELMET,ADVANCED COMBAT
8470-01-506-6623INTERCHANGEABLE
HELMET,ADVANCED COMBAT
5985-01-676-1110INTERCHANGEABLE
ANTENNA
ANT-4007

Frequently Asked Questions

What is NSN 5310-00-520-7950?

NSN 5310-00-520-7950 is a Washer,flat, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-520-7950?

NSN 5310-00-520-7950 has 4 cross-referenced part numbers: 3274295REVA (Naval Ship Systems Command), 23803REVA (L3harris Technologies, Inc. Div Space and Airborne Systems), 3274295 (Naval Ship Systems Command), 23803 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5310-00-520-7950?

There are 7 known substitutes for 5310-00-520-7950: 3120-00-061-6153, 1650-00-572-5521, 1630-00-909-2247 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23803?

Key specifications for 23803: Cross-Sectional Shape Style: RECTANGULAR; Material: COPPER ALLOY OR COPPER ALLOY C OVERALL; Surface Finish: 100.0 MICROINCHES ALL SURFACES; Overall Diameter: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM 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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