PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51002Washer,flat

Waterous Company · NSN 5310-00-034-7357 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-034-7357 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-034-7357. Primary manufacturer part number: 51002.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 2.375 INCHES NOMINAL IN
  • Hole Diameter: 0.938 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.039 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-034-7357, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waterous Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-034-7357
Primary Part Number51002
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWaterous Company
StatusACTIVE
Overall Diameter2.375 INCHES NOMINAL IN
Hole Diameter0.938 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.039 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-033-298351002 INTERCHANGEABLE
Screw
Meggitt (new Hampshire), Inc
5930-00-147-0604 INTERCHANGEABLE
Switch,rotary
5920-00-280-8342 INTERCHANGEABLE
Fuse,cartridge
2940-00-376-8579C121E INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
3030-00-528-4465 INTERCHANGEABLE
Belt,v
5950-00-627-85785-1002 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
6850-00-734-154651002 INTERCHANGEABLE
Lubricant,antiseize
Loctite Corp
7510-00-823-8075 INTERCHANGEABLE
Ribbon,inking
5985-00-947-0790519944-2 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Raytheon Company Dba Raytheon
5305-01-012-1539 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
51002 PRIMARY Waterous Company (USA)
Related Parts
5305-00-033-2983INTERCHANGEABLE
SCREW
51002
5930-00-147-0604INTERCHANGEABLE
SWITCH,ROTARY
5920-00-280-8342INTERCHANGEABLE
FUSE,CARTRIDGE
2940-00-376-8579INTERCHANGEABLE
FILTER ELEMENT,FLUID
C121E
3030-00-528-4465INTERCHANGEABLE
BELT,V
5950-00-627-8578INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5-1002
6850-00-734-1546INTERCHANGEABLE
LUBRICANT,ANTISEIZE
51002
7510-00-823-8075INTERCHANGEABLE
RIBBON,INKING
5985-00-947-0790INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
519944-2
5305-01-012-1539INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1650-01-103-3001INTERCHANGEABLE
ACCUMULATOR,HYDRAULIC
800761
4710-01-131-6443INTERCHANGEABLE
SNAP TUBE
51002

Frequently Asked Questions

What is NSN 5310-00-034-7357?

NSN 5310-00-034-7357 is a Washer,flat, manufactured by Waterous Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-034-7357?

NSN 5310-00-034-7357 has 1 cross-referenced part number: 51002 (Waterous Company).

What NSN replaces 5310-00-034-7357?

There are 12 known substitutes for 5310-00-034-7357: 5305-00-033-2983, 5930-00-147-0604, 5920-00-280-8342 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51002?

Key specifications for 51002: Overall Diameter: 2.375 INCHES NOMINAL IN; Hole Diameter: 0.938 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.039 INCHES NOMINAL 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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