PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23811Washer,recessed

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5310-00-550-0658 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-550-0658 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-550-0658. Primary manufacturer part number: 23811.
Features
  • Washer,recessed — FSC 5310
  • Material Document and Classification: MIL-N-994,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: RECESSED
  • Material Thickness: 0.115 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
  • Recess Depth: 0.438 INCHES NOMINAL IN
  • Hole Diameter: 0.781 INCHES NOMINAL IN
  • Surface Treatment: PLASTIC OVERALL
  • 9 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-550-0658, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 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
NSN5310-00-550-0658
Primary Part Number23811
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Material Document and ClassificationMIL-N-994,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorRECESSED
Material Thickness0.115 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
Recess Depth0.438 INCHES NOMINAL IN
Hole Diameter0.781 INCHES NOMINAL IN
Surface TreatmentPLASTIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-567-441254D6216-1 INTERCHANGEABLE
Spindle,wheel,driving-Nondriving
Warner Robins Air Logistics Center
5940-00-687-0294 INTERCHANGEABLE
Terminal,stud
5330-01-019-323923811 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6685-01-024-1647A2381-1 INTERCHANGEABLE
Gage,pressure,dial Indicating
Howell Laboratories Inc Dba Howell Laboratories Inc
5985-01-057-2746952064-11 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Dba Raytheon Co
5940-01-367-0524SM-C-886029 INTERCHANGEABLE
Terminal,stud
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-01-621-519523811 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
23811PC23811 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
23811REVA L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
30705PC6 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
23811 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
3274301REVA Naval Ship Systems Command (USA)
3274301 Naval Ship Systems Command (USA)
27700PC20 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
27700PC20 L3harris Technologies, Inc. (USA)
3274301PC23811 Naval Ship Systems Command (USA)
Related Parts
2530-00-567-4412INTERCHANGEABLE
SPINDLE,WHEEL,DRIVING-NONDRIVING
54D6216-1
5940-00-687-0294INTERCHANGEABLE
TERMINAL,STUD
5330-01-019-3239INTERCHANGEABLE
SEAL,PLAIN ENCASED
23811
6685-01-024-1647INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
A2381-1
5985-01-057-2746INTERCHANGEABLE
ATTENUATOR,FIXED
952064-11
5940-01-367-0524INTERCHANGEABLE
TERMINAL,STUD
SM-C-886029
5305-01-621-5195INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
23811

Frequently Asked Questions

What is NSN 5310-00-550-0658?

NSN 5310-00-550-0658 is a Washer,recessed, 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 5310-00-550-0658?

NSN 5310-00-550-0658 has 9 cross-referenced part numbers: 23811PC23811 (L3harris Technologies, Inc. Div Space and Airborne Systems), 23811REVA (L3harris Technologies, Inc. Div Space and Airborne Systems), 30705PC6 (L3harris Technologies, Inc. Div Space and Airborne Systems), 23811 (L3harris Technologies, Inc. Div Space and Airborne Systems), 3274301REVA (Naval Ship Systems Command) and 4 more.

What NSN replaces 5310-00-550-0658?

There are 7 known substitutes for 5310-00-550-0658: 2530-00-567-4412, 5940-00-687-0294, 5330-01-019-3239 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23811?

Key specifications for 23811: Material Document and Classification: MIL-N-994,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: RECESSED; Material Thickness: 0.115 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Recess Depth: 0.438 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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