PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

945-5Washer,flat

Department of the Air Force · NSN 5310-00-187-2342 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-2342 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-2342. Primary manufacturer part number: 945-5.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: IRON AND STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Overall Diameter: 0.875 INCHES NOMINAL IN
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 5310-00-187-2342, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-187-2342
Primary Part Number945-5
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Center Hole Shape StyleROUND
MaterialIRON AND STEEL OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thickness0.062 INCHES NOMINAL IN
Overall Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2990-00-410-969974797297-1 INTERCHANGEABLE
Muffler,exhaust
Kalmar AC Inc
5306-00-424-08729455 INTERCHANGEABLE
Bolt,machine
Hyster-Yale Group, Inc.
3120-00-426-1674 INTERCHANGEABLE
Bushing,sleeve
2815-00-511-22489455 INTERCHANGEABLE
Insert,engine Valve Seat
Cummins Inc.
3030-01-044-3699 INTERCHANGEABLE
Belt,v
5805-01-195-19809455 INTERCHANGEABLE
Dial,telephone
Hose-Mccann Telephone Co, Inc
5342-01-273-61279455 INTERCHANGEABLE
Bracket,special
Carlisle & Finch Co
6230-01-679-48779455 INTERCHANGEABLE
Floodlight,electric
Pelican Products, Inc. Dba Pelican Products Inc
Cross-Reference Index
Part NumberManufacturer
945-5 Department of the Air Force (USA)
Related Parts
2990-00-410-9699INTERCHANGEABLE
MUFFLER,EXHAUST
74797297-1
5306-00-424-0872INTERCHANGEABLE
BOLT,MACHINE
9455
3120-00-426-1674INTERCHANGEABLE
BUSHING,SLEEVE
2815-00-511-2248INTERCHANGEABLE
INSERT,ENGINE VALVE SEAT
9455
3030-01-044-3699INTERCHANGEABLE
BELT,V
5805-01-195-1980INTERCHANGEABLE
DIAL,TELEPHONE
9455
5342-01-273-6127INTERCHANGEABLE
BRACKET,SPECIAL
9455
6230-01-679-4877INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
9455

Frequently Asked Questions

What is NSN 5310-00-187-2342?

NSN 5310-00-187-2342 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 5310-00-187-2342?

NSN 5310-00-187-2342 has 1 cross-referenced part number: 945-5 (Department of the Air Force).

What NSN replaces 5310-00-187-2342?

There are 8 known substitutes for 5310-00-187-2342: 2990-00-410-9699, 5306-00-424-0872, 3120-00-426-1674 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 945-5?

Key specifications for 945-5: Center Hole Shape Style: ROUND; Material: IRON AND STEEL OVERALL; Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR. 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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