PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A135Washer,flat

Seastrom Manufacturing Co Inc · NSN 5310-01-118-2195 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-118-2195 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-118-2195. Primary manufacturer part number: A135.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 301 OVERALL
  • Overall Diameter: 0.468 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.146 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-118-2195, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seastrom Manufacturing Co Inc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-118-2195
Primary Part NumberA135
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 301 OVERALL
Overall Diameter0.468 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Hole Diameter0.146 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-117-9093202324 INTERCHANGEABLE
Cover,access
Wascomat of America Div of Bermil Industries Corp
5120-00-278-1273 INTERCHANGEABLE
Screwdriver,flat Tip
6515-01-016-4667 INTERCHANGEABLE
Surgical Pack,disposable
Cross-Reference Index
Part NumberManufacturer
A135 PRIMARY Seastrom Manufacturing Co Inc (USA)
Related Parts
5340-00-117-9093INTERCHANGEABLE
COVER,ACCESS
202324
5120-00-278-1273INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
6515-01-016-4667INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE

Frequently Asked Questions

What is NSN 5310-01-118-2195?

NSN 5310-01-118-2195 is a Washer,flat, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-118-2195?

NSN 5310-01-118-2195 has 1 cross-referenced part number: A135 (Seastrom Manufacturing Co Inc).

What NSN replaces 5310-01-118-2195?

There are 3 known substitutes for 5310-01-118-2195: 5340-00-117-9093, 5120-00-278-1273, 6515-01-016-4667. Verify interchangeability with system specifications before substitution.

What are the specifications of A135?

Key specifications for A135: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 301 OVERALL. 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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