PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-662Washer,flat

Terex Usa, Llc Dba Terex Equipment Services · NSN 5310-00-220-6574 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-220-6574 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-220-6574. Primary manufacturer part number: 1-662.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Material: STEEL COMP 1010 OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 3.985 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-220-6574, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Terex Usa, Llc Dba Terex Equipment Services. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5310-00-220-6574
Primary Part Number1-662
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTerex Usa, Llc Dba Terex Equipment Services
StatusCANCELLED
Thickness0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter3.985 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
Hole Diameter2.0312 INCHES MINIMUM AND 2.0612 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6135-00-100-0453 INTERCHANGEABLE
Battery,nonrechargeable
5975-00-179-0095 INTERCHANGEABLE
Coupling,electrical Conduit
3120-00-227-23841662 INTERCHANGEABLE
Bearing,plain,rod End
O & S Acquisition Llc Dba O & S America Llc
4720-00-293-7288371-8122 INTERCHANGEABLE
Hose,nonmetallic
Caterpillar Inc Div Caterpillar Defense
5310-00-466-995232283 INTERCHANGEABLE
Nut,self-Locking,hexagon
Williams International Co., L.l.c.
5915-00-501-09521662 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cornell-Dubilier Marketing Inc
2520-00-563-82301662 INTERCHANGEABLE
Ring
Atwood Industries Inc Automotive Div
2915-00-569-5052DS-939098 INTERCHANGEABLE
Spacer Kit
Eaton Aerospace, Llc Dba Jackson South
6610-00-659-8758121823-01 INTERCHANGEABLE
Transistor and Resi
Ge Aviation Systems Llc
6240-00-877-3405342535 INTERCHANGEABLE
Lamp,incandescent
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
32283 Hyster-Yale Group, Inc. (USA)
5P1259 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
1-662 PRIMARY Terex Usa, Llc Dba Terex Equipment Services (USA)
K8114 PRIMARY The Timken Corporation (USA)
959069 Amca Intl Corp Unit Crane Div (USA)
Related Parts
6135-00-100-0453INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5975-00-179-0095INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
3120-00-227-2384INTERCHANGEABLE
BEARING,PLAIN,ROD END
1662
4720-00-293-7288INTERCHANGEABLE
HOSE,NONMETALLIC
371-8122
5310-00-466-9952INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
32283
5915-00-501-0952INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1662
2520-00-563-8230INTERCHANGEABLE
RING
1662
2915-00-569-5052INTERCHANGEABLE
SPACER KIT
DS-939098
6610-00-659-8758INTERCHANGEABLE
TRANSISTOR AND RESI
121823-01
6240-00-877-3405INTERCHANGEABLE
LAMP,INCANDESCENT
342535
5340-01-045-2645INTERCHANGEABLE
HANDLE,BOW
1662
6520-01-120-2654INTERCHANGEABLE
IMPRESSION TRAY,DENTAL
1-662

Frequently Asked Questions

What is NSN 5310-00-220-6574?

NSN 5310-00-220-6574 is a Washer,flat, manufactured by Terex Usa, Llc Dba Terex Equipment Services, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-220-6574?

NSN 5310-00-220-6574 has 5 cross-referenced part numbers: 32283 (Hyster-Yale Group, Inc.), 5P1259 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), 1-662 (Terex Usa, Llc Dba Terex Equipment Services), K8114 (The Timken Corporation), 959069 (Amca Intl Corp Unit Crane Div).

What NSN replaces 5310-00-220-6574?

There are 12 known substitutes for 5310-00-220-6574: 6135-00-100-0453, 5975-00-179-0095, 3120-00-227-2384 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-662?

Key specifications for 1-662: Thickness: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Material: STEEL COMP 1010 OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Peripheral Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-220-6574 still in active supply?

NSN 5310-00-220-6574 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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