PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SE555Washer,lock

Woodward Controls Inc. · NSN 5310-01-030-8731 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-030-8731 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-030-8731. Primary manufacturer part number: SE555.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.334 INCHES MAXIMUM0.334 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Material Thickness: 0.047 INCHES NOMINAL0.047 INCHES NOMINAL IN
  • Hole Diameter: 0.194 INCHES MINIMUM AND 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM0.202 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Controls Inc.
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 5310-01-030-8731, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward Controls Inc.. Government technical data includes 5 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-030-8731
Primary Part NumberSE555
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWoodward Controls Inc.
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.334 INCHES MAXIMUM0.334 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Material Thickness0.047 INCHES NOMINAL0.047 INCHES NOMINAL IN
Hole Diameter0.194 INCHES MINIMUM AND 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM0.202 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-626-431524340 INTERCHANGEABLE
Tubing,nonmetallic
Elbitamerica, Inc.
5962-01-049-0349 INTERCHANGEABLE
Microcircuit,linear
5962-01-074-1853932487-1C INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon
5962-01-104-41636088958-1 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Rotary and Mission Systems
5325-01-193-4486SE 517 INTERCHANGEABLE
Grommet,nonmetallic
Momentive Performance Materials Inc.
5962-01-580-4617SE555 INTERCHANGEABLE
Presision Timer
Texas Instruments Incorporated
5962-01-628-6195SE555 INTERCHANGEABLE
Microcircuit,linear
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
SE555 PRIMARY Woodward Controls Inc. (USA)
Related Parts
4720-00-626-4315INTERCHANGEABLE
TUBING,NONMETALLIC
24340
5962-01-049-0349INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-074-1853INTERCHANGEABLE
MICROCIRCUIT,LINEAR
932487-1C
5962-01-104-4163INTERCHANGEABLE
MICROCIRCUIT,LINEAR
6088958-1
5325-01-193-4486INTERCHANGEABLE
GROMMET,NONMETALLIC
SE 517
5962-01-580-4617INTERCHANGEABLE
PRESISION TIMER
SE555
5962-01-628-6195INTERCHANGEABLE
MICROCIRCUIT,LINEAR
SE555

Frequently Asked Questions

What is NSN 5310-01-030-8731?

NSN 5310-01-030-8731 is a Washer,lock, manufactured by Woodward Controls Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-030-8731?

NSN 5310-01-030-8731 has 1 cross-referenced part number: SE555 (Woodward Controls Inc.).

What NSN replaces 5310-01-030-8731?

There are 7 known substitutes for 5310-01-030-8731: 4720-00-626-4315, 5962-01-049-0349, 5962-01-074-1853 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SE555?

Key specifications for SE555: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.334 INCHES MAXIMUM0.334 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Material Thickness: 0.047 INCHES NOMINAL0.047 INCHES NOMINAL IN. 5 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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