PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74-0001Washer,lock

Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps · NSN 5310-01-525-8674 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-525-8674 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-525-8674. Primary manufacturer part number: 74-0001.
Features
  • Washer,lock — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-525-8674, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersEnvirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps (CAGE 35909)
Technical Specifications
ParameterValue
NSN5310-01-525-8674
Primary Part Number74-0001
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEnvirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6515-00-754-0426 INTERCHANGEABLE
Blade,surgical Preparation Razor
6515-01-147-0210450205 INTERCHANGEABLE
Blade,surgical Preparation Razor
Pilling Surgical Inc Dba Pilling Weck Div Pilling Instruments
5920-01-412-2539740001 INTERCHANGEABLE
Discharger,electrostatic
Dayton-Granger, Inc.
5961-01-444-4922 INTERCHANGEABLE
Transistor
5920-01-669-6657 INTERCHANGEABLE
Discharger,electrostatic
Cross-Reference Index
Part NumberManufacturer
74-0001 Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps (USA)
Related Parts
6515-00-754-0426INTERCHANGEABLE
BLADE,SURGICAL PREPARATION RAZOR
6515-01-147-0210INTERCHANGEABLE
BLADE,SURGICAL PREPARATION RAZOR
450205
5920-01-412-2539INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC
740001
5961-01-444-4922INTERCHANGEABLE
TRANSISTOR
5920-01-669-6657INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC

Frequently Asked Questions

What is NSN 5310-01-525-8674?

NSN 5310-01-525-8674 is a Washer,lock, manufactured by Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-525-8674?

NSN 5310-01-525-8674 has 1 cross-referenced part number: 74-0001 (Envirotech Pumpsystems, Inc. Dba Chas S Lewis & Co Div Weir Specialty Pumps).

What NSN replaces 5310-01-525-8674?

There are 5 known substitutes for 5310-01-525-8674: 6515-00-754-0426, 6515-01-147-0210, 5920-01-412-2539 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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