PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51848-45Washer,lock

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-053-0832 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-053-0832 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-053-0832. Primary manufacturer part number: MS51848-45.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hole Diameter: 0.114 INCHES MINIMUM AND 0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Outside Diameter: 0.173 INCHES MAXIMUM0.173 INCHES MAXIMUM IN
  • Material Document and Classification: FED STD 66,CRES 300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-053-0832, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-053-0832
Primary Part NumberMS51848-45
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hole Diameter0.114 INCHES MINIMUM AND 0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Outside Diameter0.173 INCHES MAXIMUM0.173 INCHES MAXIMUM IN
Material Document and ClassificationFED STD 66,CRES 300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Thickness0.022 INCHES MINIMUM0.022 INCHES MINIMUM IN
Hardness Rating35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
1650-00-013-3865DS-934666 INTERCHANGEABLE
Plate,nutating
Eaton Aerospace, Llc Dba Jackson South
4730-00-188-35163152-4-3-4 INTERCHANGEABLE
Plug,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5315-00-392-9834 INTERCHANGEABLE
Pin,straight,headless
5365-00-424-0637 INTERCHANGEABLE
Shim
6625-00-519-2068 INTERCHANGEABLE
Meter,arbitrary Scale
5945-00-957-6109 INTERCHANGEABLE
Relay,electromagnetic
5975-00-995-52593563 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
5935-01-318-7790579R474H01 INTERCHANGEABLE
Adapter,connector
Northrop Grumman Support Services Corp
5310-01-705-4635J2295J995C2R6-ZG5 INTERCHANGEABLE
Nut,plain,hexagon
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS51848-45 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5343 Invensys Systems, Inc. Dba Schneider Electric (USA)
Related Parts
1650-00-013-3865INTERCHANGEABLE
PLATE,NUTATING
DS-934666
4730-00-188-3516INTERCHANGEABLE
PLUG,PIPE
3152-4-3-4
5315-00-392-9834INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5365-00-424-0637INTERCHANGEABLE
SHIM
6625-00-519-2068INTERCHANGEABLE
METER,ARBITRARY SCALE
5945-00-957-6109INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5975-00-995-5259INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3563
5935-01-318-7790INTERCHANGEABLE
ADAPTER,CONNECTOR
579R474H01
5310-01-705-4635INTERCHANGEABLE
NUT,PLAIN,HEXAGON
J2295J995C2R6-ZG5

Frequently Asked Questions

What is NSN 5310-01-053-0832?

NSN 5310-01-053-0832 is a Washer,lock, 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 5310-01-053-0832?

NSN 5310-01-053-0832 has 2 cross-referenced part numbers: MS51848-45 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5343 (Invensys Systems, Inc. Dba Schneider Electric).

What NSN replaces 5310-01-053-0832?

There are 9 known substitutes for 5310-01-053-0832: 1650-00-013-3865, 4730-00-188-3516, 5315-00-392-9834 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51848-45?

Key specifications for MS51848-45: Style Designator: SPLIT HELICAL-RIGHT HAND; Hole Diameter: 0.114 INCHES MINIMUM AND 0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL CORROSION RESISTING OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-053-0832 still in active supply?

NSN 5310-01-053-0832 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.
PartsTable Design LLC · partstable.com