PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A25Washer,flat

Hobart Bros Co · NSN 5310-00-202-1386 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-202-1386 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-202-1386. Primary manufacturer part number: A25.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.516 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.125 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.250 INCHES NOMINAL IN
  • Material: CELLULOSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-202-1386, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hobart Bros Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-202-1386
Primary Part NumberA25
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHobart Bros Co
StatusCANCELLED
Peripheral Shape StyleROUND
Hole Diameter0.516 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.125 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.250 INCHES NOMINAL IN
MaterialCELLULOSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6920-00-063-5932A25 INTERCHANGEABLE
Target,bull's-Eye
National Target Company, Inc.
5905-00-100-429012Z13110-8017 INTERCHANGEABLE
Resistor,fixed,wire Wound
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3030-00-160-8284A25 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5120-00-189-7915 INTERCHANGEABLE
Socket,socket Wrench
4460-00-254-216960-512 INTERCHANGEABLE
Collector,dust
Associated Equipment Corporation Dba Associated Equipment Corp
5360-00-290-8917A25 INTERCHANGEABLE
Spring,helical,compression
Ashcroft Inc Dba Heise
4330-00-307-8387A25 INTERCHANGEABLE
Filter Element,fluid
Schroeder Industries Llc
5325-00-527-3706A25 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
5950-00-648-2699A25 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5930-00-907-8687A2-5 INTERCHANGEABLE
Adapter,switch Actuator
Safran Power Usa, Llc
Cross-Reference Index
Part NumberManufacturer
A25 PRIMARY Hobart Bros Co (USA)
AW25 Hobart Bros Co (USA)
Related Parts
6920-00-063-5932INTERCHANGEABLE
TARGET,BULL'S-EYE
A25
5905-00-100-4290INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
12Z13110-8017
3030-00-160-8284INTERCHANGEABLE
BELT,V
A25
5120-00-189-7915INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4460-00-254-2169INTERCHANGEABLE
COLLECTOR,DUST
60-512
5360-00-290-8917INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A25
4330-00-307-8387INTERCHANGEABLE
FILTER ELEMENT,FLUID
A25
5325-00-527-3706INTERCHANGEABLE
EYELET,METALLIC
A25
5950-00-648-2699INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A25
5930-00-907-8687INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
A2-5
6625-01-007-1916INTERCHANGEABLE
RECORDER,COORDINATE DATA
00-009145-01
5120-01-031-6731INTERCHANGEABLE
LOCATOR,CRIMPING TO
A25

Frequently Asked Questions

What is NSN 5310-00-202-1386?

NSN 5310-00-202-1386 is a Washer,flat, manufactured by Hobart Bros Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-202-1386?

NSN 5310-00-202-1386 has 2 cross-referenced part numbers: A25 (Hobart Bros Co), AW25 (Hobart Bros Co).

What NSN replaces 5310-00-202-1386?

There are 12 known substitutes for 5310-00-202-1386: 6920-00-063-5932, 5905-00-100-4290, 3030-00-160-8284 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A25?

Key specifications for A25: Peripheral Shape Style: ROUND; Hole Diameter: 0.516 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 1.125 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-202-1386 still in active supply?

NSN 5310-00-202-1386 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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