PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N5556-2Washer,flat

Nylomatic · NSN 5310-00-175-2786 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-175-2786 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-175-2786. Primary manufacturer part number: N5556-2.
Features
  • Washer,flat — FSC 5310
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Hole Diameter: 0.153 INCHES NOMINAL IN
  • Thickness: 0.040 INCHES NOMINAL IN
  • Overall Diameter: 0.205 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-175-2786, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nylomatic. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-175-2786
Primary Part NumberN5556-2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNylomatic
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Hole Diameter0.153 INCHES NOMINAL IN
Thickness0.040 INCHES NOMINAL IN
Overall Diameter0.205 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Material Document and ClassificationZYTEL 101,FSCM 27280 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-016-4519369-009 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
5975-00-064-86851379 INTERCHANGEABLE
Reducing Washer,knockout
Raco, a Division of Hubbell Incorporated(delaware)
5920-00-199-9222351005 INTERCHANGEABLE
Fuseholder,block
Littelfuse, Inc.
4730-00-287-1828 INTERCHANGEABLE
Coupling,pipe
9390-00-374-3486 INTERCHANGEABLE
Wick
5330-00-383-877912155 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5940-00-405-24531379 INTERCHANGEABLE
Terminal,lug
Thermo Electric Company Inc. Dba Thermo Electric Company
6685-00-725-50963732740AB42 INTERCHANGEABLE
Gage,pressure,dial Indicating
The Boeing Company
6760-01-026-83471379 INTERCHANGEABLE
Photo Holder
Leidos, Inc. Div Cyber and Information Solutions Services
6145-01-137-97405612 INTERCHANGEABLE
Cable,special Purpose,electrical
Mercury Wire Products, Inc. Dba Mercury Wire Products Inc
Cross-Reference Index
Part NumberManufacturer
N5556-2 Nylomatic (USA)
1379 Nylomatic (USA)
Related Parts
6625-00-016-4519INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
369-009
5975-00-064-8685INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
1379
5920-00-199-9222INTERCHANGEABLE
FUSEHOLDER,BLOCK
351005
4730-00-287-1828INTERCHANGEABLE
COUPLING,PIPE
9390-00-374-3486INTERCHANGEABLE
WICK
5330-00-383-8779INTERCHANGEABLE
GASKET
12155
5940-00-405-2453INTERCHANGEABLE
TERMINAL,LUG
1379
6685-00-725-5096INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3732740AB42
6760-01-026-8347INTERCHANGEABLE
PHOTO HOLDER
1379
6145-01-137-9740INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5612
5310-01-165-5578INTERCHANGEABLE
WASHER,LOCK
1379
5930-01-204-2852INTERCHANGEABLE
ARM,SWITCH ACTUATOR
9007FA-1

Frequently Asked Questions

What is NSN 5310-00-175-2786?

NSN 5310-00-175-2786 is a Washer,flat, manufactured by Nylomatic, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-175-2786?

NSN 5310-00-175-2786 has 2 cross-referenced part numbers: N5556-2 (Nylomatic), 1379 (Nylomatic).

What NSN replaces 5310-00-175-2786?

There are 12 known substitutes for 5310-00-175-2786: 6625-00-016-4519, 5975-00-064-8685, 5920-00-199-9222 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N5556-2?

Key specifications for N5556-2: Material: PLASTIC POLYAMIDE NYLON OVERALL; Hole Diameter: 0.153 INCHES NOMINAL IN; Thickness: 0.040 INCHES NOMINAL IN; Overall Diameter: 0.205 INCHES NOMINAL IN. 9 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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