PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186622Washer,flat

Airmotive Carburetor · NSN 5310-00-190-0764 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-190-0764 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-190-0764. Primary manufacturer part number: 186622.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 5504 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5516 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: STEEL COMP 410 OR STEEL COMP 302 OVERALL
  • Thickness: 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 or Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-190-0764, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Airmotive Carburetor. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-190-0764
Primary Part Number186622
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAirmotive Carburetor
StatusCANCELLED
Overall Diameter1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5504 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5516 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialSTEEL COMP 410 OR STEEL COMP 302 OVERALL
Thickness0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5305-00-018-6622186622 INTERCHANGEABLE
Screw,cap,hexagon Head
Rolls-Royce Solutions America Inc
5331-00-054-6880 INTERCHANGEABLE
O-Ring
5305-00-068-05112DD63 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
186622 PRIMARY Airmotive Carburetor (USA)
186622 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
Related Parts
5305-00-018-6622INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
186622
5331-00-054-6880INTERCHANGEABLE
O-RING
5305-00-068-0511INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2DD63

Frequently Asked Questions

What is NSN 5310-00-190-0764?

NSN 5310-00-190-0764 is a Washer,flat, manufactured by Airmotive Carburetor, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-190-0764?

NSN 5310-00-190-0764 has 2 cross-referenced part numbers: 186622 (Airmotive Carburetor), 186622 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).

What NSN replaces 5310-00-190-0764?

There are 3 known substitutes for 5310-00-190-0764: 5305-00-018-6622, 5331-00-054-6880, 5305-00-068-0511. Verify interchangeability with system specifications before substitution.

What are the specifications of 186622?

Key specifications for 186622: Overall Diameter: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN; Material Document and Classification: AMS 5504 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5516 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-190-0764 still in active supply?

NSN 5310-00-190-0764 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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