PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51412-11Washer,flat

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-242-2679 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-242-2679 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-242-2679. Primary manufacturer part number: MS51412-11.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: ZINC AND CHROMATE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material: STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
  • Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
  • Nondefinitive Spec/std Data: A CLASS AND A TYPE AND 1 GRADE
  • Surface Treatment Document and Classification: ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1008 or Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-242-2679, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-242-2679
Primary Part NumberMS51412-11
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Surface TreatmentZINC AND CHROMATE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
MaterialSTEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Nondefinitive Spec/std DataA CLASS AND A TYPE AND 1 GRADE
Surface Treatment Document and ClassificationASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Material Document and ClassificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
Overall Diameter1.305 INCHES MINIMUM AND 1.342 INCHES MAXIMUM IN
Hole Diameter0.649 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5310-00-044-6477 INTERCHANGEABLE
Washer,flat
2915-00-316-2109195541 INTERCHANGEABLE
Piston,fuel Control
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5310-00-809-4058 INTERCHANGEABLE
Washer,flat
5310-01-234-9415 INTERCHANGEABLE
Washer,flat
5310-01-234-9416 INTERCHANGEABLE
Washer,flat
5310-01-266-4641 INTERCHANGEABLE
Washer,flat
5310-01-267-1685 INTERCHANGEABLE
Washer,flat
5310-01-396-5840 INTERCHANGEABLE
Washer,flat
5310-01-466-4926 INTERCHANGEABLE
Washer,flat
5310-01-477-126488-20564-15 INTERCHANGEABLE
Washer,flat
Department of Defense Project Manager-Mobile Electric Power
Cross-Reference Index
Part NumberManufacturer
MS51412-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
195-541 Cnh Industrial America Llc Dba Cnh America (USA)
88-20564 Department of Defense Project Manager-Mobile Electric Power (USA)
88-20564-8 Department of Defense Project Manager-Mobile Electric Power (USA)
Related Parts
5310-00-044-6477INTERCHANGEABLE
WASHER,FLAT
2915-00-316-2109INTERCHANGEABLE
PISTON,FUEL CONTROL
195541
5310-00-809-4058INTERCHANGEABLE
WASHER,FLAT
5310-01-234-9415INTERCHANGEABLE
WASHER,FLAT
5310-01-234-9416INTERCHANGEABLE
WASHER,FLAT
5310-01-266-4641INTERCHANGEABLE
WASHER,FLAT
5310-01-267-1685INTERCHANGEABLE
WASHER,FLAT
5310-01-396-5840INTERCHANGEABLE
WASHER,FLAT
5310-01-466-4926INTERCHANGEABLE
WASHER,FLAT
5310-01-477-1264INTERCHANGEABLE
WASHER,FLAT
88-20564-15

Frequently Asked Questions

What is NSN 5310-01-242-2679?

NSN 5310-01-242-2679 is a Washer,flat, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-242-2679?

NSN 5310-01-242-2679 has 4 cross-referenced part numbers: MS51412-11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 195-541 (Cnh Industrial America Llc Dba Cnh America), 88-20564 (Department of Defense Project Manager-Mobile Electric Power), 88-20564-8 (Department of Defense Project Manager-Mobile Electric Power).

What NSN replaces 5310-01-242-2679?

There are 10 known substitutes for 5310-01-242-2679: 5310-00-044-6477, 2915-00-316-2109, 5310-00-809-4058 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51412-11?

Key specifications for MS51412-11: Surface Treatment: ZINC AND CHROMATE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Material: STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-242-2679 still in active supply?

NSN 5310-01-242-2679 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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