PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS122027Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-836-2458 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-836-2458 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-836-2458. Primary manufacturer part number: MS122027.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Outside Diameter: 0.239 INCHES MAXIMUM IN
  • Hole Diameter: 0.128 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Material Thickness: 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
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 5310-00-836-2458, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-836-2458
Primary Part NumberMS122027
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Outside Diameter0.239 INCHES MAXIMUM IN
Hole Diameter0.128 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Material Thickness0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-042-6219 INTERCHANGEABLE
Washer,lock
5950-01-161-9592797-20 INTERCHANGEABLE
Reactor
B.c. Systems Inc. Dba Bc Systems Inc
4730-01-697-831079720 INTERCHANGEABLE
Union,pipe
Viega Llc
Cross-Reference Index
Part NumberManufacturer
WWS 426217 Daimler Truck North America Llc (USA)
732-00506-01 Zf Industrieantriebe Witten Gmbh (DEU)
79720 Unison Industries Llc (USA)
6-1-5012-51-2 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
210-0017-00 Zf Industrieantriebe Witten Gmbh (DEU)
MS122027 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS122027 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
79720 Unison Industries, Llc Dba Unison Industries Inc (USA)
CYRD237 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
Related Parts
5310-00-042-6219INTERCHANGEABLE
WASHER,LOCK
5950-01-161-9592INTERCHANGEABLE
REACTOR
797-20
4730-01-697-8310INTERCHANGEABLE
UNION,PIPE
79720

Frequently Asked Questions

What is NSN 5310-00-836-2458?

NSN 5310-00-836-2458 is a Washer,lock, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-836-2458?

NSN 5310-00-836-2458 has 9 cross-referenced part numbers: WWS 426217 (Daimler Truck North America Llc), 732-00506-01 (Zf Industrieantriebe Witten Gmbh), 79720 (Unison Industries Llc), 6-1-5012-51-2 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 210-0017-00 (Zf Industrieantriebe Witten Gmbh) and 4 more.

What NSN replaces 5310-00-836-2458?

There are 3 known substitutes for 5310-00-836-2458: 5310-00-042-6219, 5950-01-161-9592, 4730-01-697-8310. Verify interchangeability with system specifications before substitution.

What are the specifications of MS122027?

Key specifications for MS122027: Surface Treatment: CADMIUM OVERALL; Outside Diameter: 0.239 INCHES MAXIMUM IN; Hole Diameter: 0.128 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Style Designator: SPLIT HELICAL-RIGHT HAND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-836-2458 still in active supply?

NSN 5310-00-836-2458 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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