PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

349627-1Washer,lock

Raytheon Company Dba Raytheon · NSN 5310-00-209-1882 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-1882 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-1882. Primary manufacturer part number: 349627-1.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
  • Surface Treatment: SILVER OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.025 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Outside Diameter: 0.212 INCHES NOMINAL IN
  • Hardness Rating: 90.0 ROCKWELL B MINIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-209-1882, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-209-1882
Primary Part Number349627-1
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Hole Diameter0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
Surface TreatmentSILVER OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.025 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Outside Diameter0.212 INCHES NOMINAL IN
Hardness Rating90.0 ROCKWELL B MINIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-226-5978 INTERCHANGEABLE
Washer,key
5330-01-155-1810 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
34983-1 Raytheon Company Dba Raytheon (USA)
12768-4 Whittaker Corp Whittaker Electronic Systems Div (USA)
349627-1 PRIMARY Raytheon Company Dba Raytheon (USA)
24-00008-003 PRIMARY Raytheon Company (USA)
Related Parts
5310-00-226-5978INTERCHANGEABLE
WASHER,KEY
5330-01-155-1810INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5310-00-209-1882?

NSN 5310-00-209-1882 is a Washer,lock, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-1882?

NSN 5310-00-209-1882 has 4 cross-referenced part numbers: 34983-1 (Raytheon Company Dba Raytheon), 12768-4 (Whittaker Corp Whittaker Electronic Systems Div), 349627-1 (Raytheon Company Dba Raytheon), 24-00008-003 (Raytheon Company).

What NSN replaces 5310-00-209-1882?

There are 2 known substitutes for 5310-00-209-1882: 5310-00-226-5978, 5330-01-155-1810. Verify interchangeability with system specifications before substitution.

What are the specifications of 349627-1?

Key specifications for 349627-1: Hole Diameter: 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN; Surface Treatment: SILVER OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.025 INCHES NOMINAL IN. 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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