PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1478-1Washer,flat

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 5310-00-187-1855 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-1855 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-1855. Primary manufacturer part number: 1478-1.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.516 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Overall Diameter: 0.938 INCHES NOMINAL IN
  • Thickness: 0.045 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-187-1855, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-187-1855
Primary Part Number1478-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusCANCELLED
Hole Diameter0.516 INCHES NOMINAL IN
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Overall Diameter0.938 INCHES NOMINAL IN
Thickness0.045 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5136-00-236-042554413 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
6220-00-251-070115-0111-1 INTERCHANGEABLE
Floodlight,electric
Grimes Aerospace Company
6520-01-003-226414781 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
5950-01-267-12799100-4018 INTERCHANGEABLE
Transformer,power
Keysight Technologies Inc
6515-01-579-8012476 INTERCHANGEABLE
Cuff,sphygmomanometer
Criticare Systems, Inc. Div 0
Cross-Reference Index
Part NumberManufacturer
1478 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
1478-1 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5136-00-236-0425INTERCHANGEABLE
TAP,THREAD CUTTING
54413
6220-00-251-0701INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
15-0111-1
6520-01-003-2264INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14781
5950-01-267-1279INTERCHANGEABLE
TRANSFORMER,POWER
9100-4018
6515-01-579-8012INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
476

Frequently Asked Questions

What is NSN 5310-00-187-1855?

NSN 5310-00-187-1855 is a Washer,flat, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-187-1855?

NSN 5310-00-187-1855 has 2 cross-referenced part numbers: 1478 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 1478-1 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 5310-00-187-1855?

There are 5 known substitutes for 5310-00-187-1855: 5136-00-236-0425, 6220-00-251-0701, 6520-01-003-2264 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1478-1?

Key specifications for 1478-1: Hole Diameter: 0.516 INCHES NOMINAL IN; Center Hole Shape Style: ROUND; Material: STEEL OVERALL; End Item Identification: LOGISTICS SUPPORT VESSEL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-187-1855 still in active supply?

NSN 5310-00-187-1855 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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