PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

945-6Washer,flat

Department of the Air Force · NSN 5310-00-187-2343 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-2343 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-2343. Primary manufacturer part number: 945-6.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Thickness: 0.078 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • Material: IRON AND STEEL OVERALL
  • Hole Diameter: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron and Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-187-2343, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-00-187-2343
Primary Part Number945-6
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Peripheral Shape StyleROUND
Thickness0.078 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.000 INCHES NOMINAL IN
MaterialIRON AND STEEL OVERALL
Hole Diameter0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-6155MS19059-2418 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
2910-00-356-14209456 INTERCHANGEABLE
Guide,check Valve F
La Gary Co
4730-00-540-40329456H B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
4820-01-192-95619456-G-41 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5805-01-195-19829456 INTERCHANGEABLE
Ringer,telephone
Hose-Mccann Telephone Co, Inc
5305-01-197-43039456 INTERCHANGEABLE
Screw,focus
Carlisle & Finch Co
1560-01-708-604065C20623-1 INTERCHANGEABLE
Latch Assembly,aircraft
Howmet Global Fastening Systems Inc. Div Tridair Products
Cross-Reference Index
Part NumberManufacturer
945-6 Department of the Air Force (USA)
Related Parts
3110-00-100-6155INTERCHANGEABLE
BALL,BEARING
MS19059-2418
2910-00-356-1420INTERCHANGEABLE
GUIDE,CHECK VALVE F
9456
4730-00-540-4032INTERCHANGEABLE
CLAMP,HOSE
9456H B
4820-01-192-9561INTERCHANGEABLE
VALVE,SAFETY RELIEF
9456-G-41
5805-01-195-1982INTERCHANGEABLE
RINGER,TELEPHONE
9456
5305-01-197-4303INTERCHANGEABLE
SCREW,FOCUS
9456
1560-01-708-6040INTERCHANGEABLE
LATCH ASSEMBLY,AIRCRAFT
65C20623-1

Frequently Asked Questions

What is NSN 5310-00-187-2343?

NSN 5310-00-187-2343 is a Washer,flat, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-187-2343?

NSN 5310-00-187-2343 has 1 cross-referenced part number: 945-6 (Department of the Air Force).

What NSN replaces 5310-00-187-2343?

There are 7 known substitutes for 5310-00-187-2343: 3110-00-100-6155, 2910-00-356-1420, 4730-00-540-4032 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 945-6?

Key specifications for 945-6: Peripheral Shape Style: ROUND; Thickness: 0.078 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 1.000 INCHES NOMINAL IN. 7 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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