PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1845Washer,lock

Microdot Inc Everlock Chicago Div · NSN 5310-00-197-3313 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-197-3313 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-197-3313. Primary manufacturer part number: 1845.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Material Thickness: 0.045 INCHES NOMINAL IN
  • Hole Diameter: 0.640 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
  • Outside Diameter: 1.053 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-197-3313, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Microdot Inc Everlock Chicago Div. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-197-3313
Primary Part Number1845
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMicrodot Inc Everlock Chicago Div
StatusCANCELLED
Style DesignatorFLAT INTERNAL TEETH
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Material Thickness0.045 INCHES NOMINAL IN
Hole Diameter0.640 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
Outside Diameter1.053 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-108-9167 INTERCHANGEABLE
Bearing,ball,annular
6625-00-143-67141845 INTERCHANGEABLE
Meter,standing Wave Ratio
General Microwave Corporation Div Kratos Microwave Electronics
4720-00-230-6529 INTERCHANGEABLE
Hose,nonmetallic
3455-00-268-949759-10084 INTERCHANGEABLE
Cutter,milling,screw Slotting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3455-00-268-950515142-B844 INTERCHANGEABLE
Cutter,milling,screw Slotting
F & D Tool Co Inc
5905-00-284-3654B20J25K INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5977-00-284-98881845 INTERCHANGEABLE
Brush,electrical Contact
Skil Corp
4820-00-394-4230 INTERCHANGEABLE
Disk,rupturable
5950-00-405-2774 INTERCHANGEABLE
Transformer,power
7105-00-935-18452-5-75-1 INTERCHANGEABLE
Cover,folding Cot
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
Cross-Reference Index
Part NumberManufacturer
1845 Microdot Inc Everlock Chicago Div (USA)
1228-00 Itw Shakeproof Automotive Products (USA)
1228 Itw Shakeproof Automotive Products (USA)
5-8INL0CKWASHER Itw Shakeproof Automotive Products (USA)
Related Parts
3110-00-108-9167INTERCHANGEABLE
BEARING,BALL,ANNULAR
6625-00-143-6714INTERCHANGEABLE
METER,STANDING WAVE RATIO
1845
4720-00-230-6529INTERCHANGEABLE
HOSE,NONMETALLIC
3455-00-268-9497INTERCHANGEABLE
CUTTER,MILLING,SCREW SLOTTING
59-10084
3455-00-268-9505INTERCHANGEABLE
CUTTER,MILLING,SCREW SLOTTING
15142-B844
5905-00-284-3654INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
B20J25K
5977-00-284-9888INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1845
4820-00-394-4230INTERCHANGEABLE
DISK,RUPTURABLE
5950-00-405-2774INTERCHANGEABLE
TRANSFORMER,POWER
7105-00-935-1845INTERCHANGEABLE
COVER,FOLDING COT
2-5-75-1
4720-01-003-7614INTERCHANGEABLE
HOSE,NONMETALLIC
5935-01-009-8982INTERCHANGEABLE
PLUG,TIP
1845

Frequently Asked Questions

What is NSN 5310-00-197-3313?

NSN 5310-00-197-3313 is a Washer,lock, manufactured by Microdot Inc Everlock Chicago Div, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-197-3313?

NSN 5310-00-197-3313 has 4 cross-referenced part numbers: 1845 (Microdot Inc Everlock Chicago Div), 1228-00 (Itw Shakeproof Automotive Products), 1228 (Itw Shakeproof Automotive Products), 5-8INL0CKWASHER (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-197-3313?

There are 12 known substitutes for 5310-00-197-3313: 3110-00-108-9167, 6625-00-143-6714, 4720-00-230-6529 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1845?

Key specifications for 1845: Style Designator: FLAT INTERNAL TEETH; Surface Treatment: CADMIUM OVERALL; Material: STEEL OVERALL; Material Thickness: 0.045 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-197-3313 still in active supply?

NSN 5310-00-197-3313 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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