PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6364Washer,lock

Lexmark International, Inc. Dba Lexmark · NSN 5310-00-139-2990 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-139-2990 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-139-2990. Primary manufacturer part number: 6364.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.031 INCHES MINIMUM IN
  • Outside Diameter: 0.253 INCHES MAXIMUM IN
  • Hole Diameter: 0.141 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-139-2990, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lexmark International, Inc. Dba Lexmark. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-139-2990
Primary Part Number6364
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLexmark International, Inc. Dba Lexmark
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.031 INCHES MINIMUM IN
Outside Diameter0.253 INCHES MAXIMUM IN
Hole Diameter0.141 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5307-00-149-4974636P4 INTERCHANGEABLE
Stud,plain
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-00-237-77256364 INTERCHANGEABLE
Gasket
893 Mfg, Llc
8345-00-275-7492 INTERCHANGEABLE
Flag,national
8345-00-286-5466 INTERCHANGEABLE
Flag,national
5940-00-450-6105636H120 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
8345-00-551-3578 INTERCHANGEABLE
Flag,national
4820-00-618-2717 INTERCHANGEABLE
Disk,rupturable
8345-00-682-6804 INTERCHANGEABLE
Flag,national
8345-00-782-6730 INTERCHANGEABLE
Flag,national
5305-01-197-09706364 INTERCHANGEABLE
Screw,cap,socket Head
Long-Lok Llc
Cross-Reference Index
Part NumberManufacturer
6364 PRIMARY Lexmark International, Inc. Dba Lexmark (USA)
Related Parts
5307-00-149-4974INTERCHANGEABLE
STUD,PLAIN
636P4
5330-00-237-7725INTERCHANGEABLE
GASKET
6364
8345-00-275-7492INTERCHANGEABLE
FLAG,NATIONAL
8345-00-286-5466INTERCHANGEABLE
FLAG,NATIONAL
5940-00-450-6105INTERCHANGEABLE
TERMINAL,LUG
636H120
8345-00-551-3578INTERCHANGEABLE
FLAG,NATIONAL
4820-00-618-2717INTERCHANGEABLE
DISK,RUPTURABLE
8345-00-682-6804INTERCHANGEABLE
FLAG,NATIONAL
8345-00-782-6730INTERCHANGEABLE
FLAG,NATIONAL
5305-01-197-0970INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
6364
4730-01-200-8460INTERCHANGEABLE
CLAMP,HOSE
6364
2940-01-265-7212INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46364

Frequently Asked Questions

What is NSN 5310-00-139-2990?

NSN 5310-00-139-2990 is a Washer,lock, manufactured by Lexmark International, Inc. Dba Lexmark, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-139-2990?

NSN 5310-00-139-2990 has 1 cross-referenced part number: 6364 (Lexmark International, Inc. Dba Lexmark).

What NSN replaces 5310-00-139-2990?

There are 12 known substitutes for 5310-00-139-2990: 5307-00-149-4974, 5330-00-237-7725, 8345-00-275-7492 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6364?

Key specifications for 6364: Surface Treatment: CADMIUM OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.031 INCHES MINIMUM IN; Outside Diameter: 0.253 INCHES MAXIMUM IN. 6 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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