PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N407P41EWasher,lock

General Electric Co Materials Information Services · NSN 5310-00-550-1675 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-550-1675 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-550-1675. Primary manufacturer part number: N407P41E.
Features
  • Washer,lock — FSC 5310
  • Material: COPPER ALLOY OVERALL
  • Surface Treatment: NICKEL OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Departure From Cited Document: AS MODIFIED BY FINISH
  • Outside Diameter: 0.493 INCHES NOMINAL IN
  • Material Thickness: 0.062 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 5310-00-550-1675, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Electric Co Materials Information Services. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-550-1675
Primary Part NumberN407P41E
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Electric Co Materials Information Services
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Surface TreatmentNICKEL OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Departure From Cited DocumentAS MODIFIED BY FINISH
Outside Diameter0.493 INCHES NOMINAL IN
Material Thickness0.062 INCHES NOMINAL IN
Hardness Rating90.0 ROCKWELL B MINIMUM
Hole Diameter0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 STYLE AND E CLASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-194-7344 INTERCHANGEABLE
Washer,lock
5310-00-209-1219 INTERCHANGEABLE
Washer,lock
5310-00-209-606904S130504-10 INTERCHANGEABLE
Washer,lock
Herley Chicago Dba Stewart Warner Electronics
5310-00-262-358379988PC7 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-264-1149 INTERCHANGEABLE
Washer,lock
5310-00-527-40319001491 INTERCHANGEABLE
Washer,lock
Us Army Aviation and Missile Command
5310-00-591-341224-00006-029 INTERCHANGEABLE
Washer,lock
Raytheon Company
5310-00-596-7689 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
N407P41E General Electric Co Materials Information Services (USA)
93620-166 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
93620-166 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
FFW84CLASSESTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
N0407P00041E Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5310-00-194-7344INTERCHANGEABLE
WASHER,LOCK
5310-00-209-1219INTERCHANGEABLE
WASHER,LOCK
5310-00-209-6069INTERCHANGEABLE
WASHER,LOCK
04S130504-10
5310-00-262-3583INTERCHANGEABLE
WASHER,LOCK
79988PC7
5310-00-264-1149INTERCHANGEABLE
WASHER,LOCK
5310-00-527-4031INTERCHANGEABLE
WASHER,LOCK
9001491
5310-00-591-3412INTERCHANGEABLE
WASHER,LOCK
24-00006-029
5310-00-596-7689INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-550-1675?

NSN 5310-00-550-1675 is a Washer,lock, manufactured by General Electric Co Materials Information Services, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-550-1675?

NSN 5310-00-550-1675 has 5 cross-referenced part numbers: N407P41E (General Electric Co Materials Information Services), 93620-166 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), 93620-166 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), FFW84CLASSESTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC), N0407P00041E (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-00-550-1675?

There are 8 known substitutes for 5310-00-550-1675: 5310-00-194-7344, 5310-00-209-1219, 5310-00-209-6069 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N407P41E?

Key specifications for N407P41E: Material: COPPER ALLOY OVERALL; Surface Treatment: NICKEL OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Departure From Cited Document: AS MODIFIED BY FINISH. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-550-1675 still in active supply?

NSN 5310-00-550-1675 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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