PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

187-5Washer,flat

Honeywell International Inc. Dba Honeywell International · NSN 5310-01-175-1477 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-175-1477 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-175-1477. Primary manufacturer part number: 187-5.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.125 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Thickness: 0.032 INCHES NOMINAL IN
  • Overall Diameter: 0.312 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-175-1477, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-175-1477
Primary Part Number187-5
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusACTIVE
Hole Diameter0.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Thickness0.032 INCHES NOMINAL IN
Overall Diameter0.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-086-91242181473-1 INTERCHANGEABLE
Transformer,power
Honeywell Intl Dba Honeywell Div Business and General Aviation
3120-00-360-40811875 INTERCHANGEABLE
Bearing,washer,thrust
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6685-00-531-4255 INTERCHANGEABLE
Gage,pressure,dial Indicating
5905-00-577-7336 INTERCHANGEABLE
Resistor,variable,wire Wound,non
6105-00-617-0297 INTERCHANGEABLE
Motor,alternating Current
6240-00-989-15171875 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5998-01-102-66341865 INTERCHANGEABLE
Extender Card,electronic Test
Protolab
5325-01-117-96981875 INTERCHANGEABLE
Grommet,nonmetallic
Kennard Industries Inc
3220-01-120-6871 INTERCHANGEABLE
Saw,radial Overarm,woodworking
3040-01-150-1449 INTERCHANGEABLE
Shaft,wash Head
Cross-Reference Index
Part NumberManufacturer
187-5 PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
Related Parts
5950-00-086-9124INTERCHANGEABLE
TRANSFORMER,POWER
2181473-1
3120-00-360-4081INTERCHANGEABLE
BEARING,WASHER,THRUST
1875
6685-00-531-4255INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5905-00-577-7336INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
6105-00-617-0297INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6240-00-989-1517INTERCHANGEABLE
LAMP,INCANDESCENT
1875
5998-01-102-6634INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
1865
5325-01-117-9698INTERCHANGEABLE
GROMMET,NONMETALLIC
1875
3220-01-120-6871INTERCHANGEABLE
SAW,RADIAL OVERARM,WOODWORKING
3040-01-150-1449INTERCHANGEABLE
SHAFT,WASH HEAD
5310-01-183-3177INTERCHANGEABLE
WASHER,FLAT
530-535
6145-01-315-8975INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
187-5

Frequently Asked Questions

What is NSN 5310-01-175-1477?

NSN 5310-01-175-1477 is a Washer,flat, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-175-1477?

NSN 5310-01-175-1477 has 1 cross-referenced part number: 187-5 (Honeywell International Inc. Dba Honeywell International).

What NSN replaces 5310-01-175-1477?

There are 12 known substitutes for 5310-01-175-1477: 5950-00-086-9124, 3120-00-360-4081, 6685-00-531-4255 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 187-5?

Key specifications for 187-5: Hole Diameter: 0.125 INCHES NOMINAL IN; Material: ALUMINUM ALLOY OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND. 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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