PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5254Washer,lock

Tescom Corp Dba Tescom Div Tescom · NSN 5310-00-843-9841 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-843-9841 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-843-9841. Primary manufacturer part number: 5254.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.005 INCHES NOMINAL IN
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 410 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-843-9841, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-843-9841
Primary Part Number5254
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.005 INCHES NOMINAL IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
Hole Diameter0.250 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 410 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-100-4557WM-5254 INTERCHANGEABLE
Transformer,power
Magnetic Components Inc
6685-00-113-76765254 INTERCHANGEABLE
Thermometer,self-Indicating
Weksler Glass Thermometer Corp
5120-00-261-2824 INTERCHANGEABLE
Socket,socket Wrench
4320-00-431-1685N012-05012 INTERCHANGEABLE
Commutator End Bell
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5120-00-473-70305254 INTERCHANGEABLE
Extractor Wick
Carrasco, Hernan Dba Tc Electric
5975-00-615-91745254 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5950-01-071-3199480877-1 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon Co
5310-01-179-90025254 INTERCHANGEABLE
Nut,plain,hexagon
Erie Malleable Iron Co
5950-01-208-50815254325 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
4220-01-247-55115254 INTERCHANGEABLE
Gage,depth and Pressure Diver's
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
5254 Tescom Corp Dba Tescom Div Tescom (USA)
5254 Davey Compressor Co Div of Keco Industries Inc (USA)
5310PL0633132 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5254 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5950-00-100-4557INTERCHANGEABLE
TRANSFORMER,POWER
WM-5254
6685-00-113-7676INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5254
5120-00-261-2824INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4320-00-431-1685INTERCHANGEABLE
COMMUTATOR END BELL
N012-05012
5120-00-473-7030INTERCHANGEABLE
EXTRACTOR WICK
5254
5975-00-615-9174INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5254
5950-01-071-3199INTERCHANGEABLE
TRANSFORMER,PULSE
480877-1
5310-01-179-9002INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5254
5950-01-208-5081INTERCHANGEABLE
COIL,RADIO FREQUENCY
5254325
4220-01-247-5511INTERCHANGEABLE
GAGE,DEPTH AND PRESSURE DIVER'S
5254
5120-01-399-9665INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5254

Frequently Asked Questions

What is NSN 5310-00-843-9841?

NSN 5310-00-843-9841 is a Washer,lock, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-843-9841?

NSN 5310-00-843-9841 has 4 cross-referenced part numbers: 5254 (Tescom Corp Dba Tescom Div Tescom), 5254 (Davey Compressor Co Div of Keco Industries Inc), 5310PL0633132 (Jednolity Indeks Materialowy - Uniform Material Index), 5254 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 5310-00-843-9841?

There are 11 known substitutes for 5310-00-843-9841: 5950-00-100-4557, 6685-00-113-7676, 5120-00-261-2824 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5254?

Key specifications for 5254: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.005 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN. 7 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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