PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6801-1ELAWasher,flat

Prestolite Electric Inc · NSN 5310-00-441-5610 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-441-5610 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-441-5610. Primary manufacturer part number: 6801-1ELA.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.437 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Hardness Rating: 50.0 ROCKWELL B MINIMUM AND 73.0 ROCKWELL B MAXIMUM
  • Material: COPPER ALLOY C OVERALL
  • Material Document and Classification: QQ-B-611 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy C Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-441-5610, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-441-5610
Primary Part Number6801-1ELA
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Overall Diameter0.437 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Hardness Rating50.0 ROCKWELL B MINIMUM AND 73.0 ROCKWELL B MAXIMUM
MaterialCOPPER ALLOY C OVERALL
Material Document and ClassificationQQ-B-611 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.203 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-105-52516801-1 INTERCHANGEABLE
Bearing,ball,fairlead
Harper Engineering Company
5120-00-242-7411 INTERCHANGEABLE
Key,socket Head Screw
5935-00-581-78371916-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
4820-01-012-3527680-11 INTERCHANGEABLE
Disk,valve
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
8125-01-019-067366106 INTERCHANGEABLE
Bottle,screw Cap
United States Plastic Corp
5330-01-185-343468011 INTERCHANGEABLE
Seal,plain
Caterpillar Inc Div Caterpillar Defense
4810-01-207-2379N68011 INTERCHANGEABLE
Valve,solenoid
Leslie Controls, Inc. Dba Leslie Controls Inc
6685-01-221-4600 INTERCHANGEABLE
Gage,pressure,dial Indicating
5331-01-319-20306801100 INTERCHANGEABLE
O-Ring
Alfa Laval Inc
5950-01-500-5615 INTERCHANGEABLE
Transformer,radio Frequency
Cross-Reference Index
Part NumberManufacturer
6801-1ELA PRIMARY Prestolite Electric Inc (USA)
6801-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
6801-1ELA Prestolite Electric Inc (USA)
Related Parts
3110-00-105-5251INTERCHANGEABLE
BEARING,BALL,FAIRLEAD
6801-1
5120-00-242-7411INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5935-00-581-7837INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1916-1
4820-01-012-3527INTERCHANGEABLE
DISK,VALVE
680-11
8125-01-019-0673INTERCHANGEABLE
BOTTLE,SCREW CAP
66106
5330-01-185-3434INTERCHANGEABLE
SEAL,PLAIN
68011
4810-01-207-2379INTERCHANGEABLE
VALVE,SOLENOID
N68011
6685-01-221-4600INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5331-01-319-2030INTERCHANGEABLE
O-RING
6801100
5950-01-500-5615INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2590-01-580-8330INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
68011
5210-01-633-9974INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
68011

Frequently Asked Questions

What is NSN 5310-00-441-5610?

NSN 5310-00-441-5610 is a Washer,flat, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-441-5610?

NSN 5310-00-441-5610 has 3 cross-referenced part numbers: 6801-1ELA (Prestolite Electric Inc), 6801-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 6801-1ELA (Prestolite Electric Inc).

What NSN replaces 5310-00-441-5610?

There are 12 known substitutes for 5310-00-441-5610: 3110-00-105-5251, 5120-00-242-7411, 5935-00-581-7837 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6801-1ELA?

Key specifications for 6801-1ELA: Overall Diameter: 0.437 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND. 10 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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