PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2W1C17-16-32Washer,flat

The Boeing Company Div Legacy Am&m · NSN 5310-00-286-2781 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-286-2781 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-286-2781. Primary manufacturer part number: 2W1C17-16-32.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.032 INCHES NOMINAL IN
  • Hole Diameter: 0.266 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
  • Material: STEEL COMP 301 OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Specification/standard Data: 43999-2W1 MANUFACTURERS STANDARD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-286-2781, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-286-2781
Primary Part Number2W1C17-16-32
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Am&m
StatusACTIVE
Thickness0.032 INCHES NOMINAL IN
Hole Diameter0.266 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Specification/standard Data43999-2W1 MANUFACTURERS STANDARD
Overall Diameter0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-515-7449 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
MILS5059A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2W1C17-16-32 PRIMARY The Boeing Company Div Legacy Am&m (USA)
Related Parts
5310-00-515-7449INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-286-2781?

NSN 5310-00-286-2781 is a Washer,flat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-286-2781?

NSN 5310-00-286-2781 has 2 cross-referenced part numbers: MILS5059A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2W1C17-16-32 (The Boeing Company Div Legacy Am&m).

What NSN replaces 5310-00-286-2781?

There is 1 known substitute for 5310-00-286-2781: 5310-00-515-7449. Verify interchangeability with system specifications before substitution.

What are the specifications of 2W1C17-16-32?

Key specifications for 2W1C17-16-32: Thickness: 0.032 INCHES NOMINAL IN; Hole Diameter: 0.266 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN; Material: STEEL COMP 301 OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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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