PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27539Washer,flat

Komatsu America Corporation · NSN 5310-00-270-2168 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-270-2168 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-270-2168. Primary manufacturer part number: 27539.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: COPPER ALLOY 938 OVERALL
  • Thickness: 0.245 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
  • Overall Diameter: 2.625 INCHES NOMINAL IN
  • Hole Diameter: 1.391 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 938 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-270-2168, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-270-2168
Primary Part Number27539
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusCANCELLED
Peripheral Shape StyleROUND
MaterialCOPPER ALLOY 938 OVERALL
Thickness0.245 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
Overall Diameter2.625 INCHES NOMINAL IN
Hole Diameter1.391 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2910-00-364-4974 INTERCHANGEABLE
Valve
5330-01-024-9691 INTERCHANGEABLE
Gasket
4140-01-248-260627539 INTERCHANGEABLE
Fan Assembly
Paxton Products Inc
5305-01-548-471629927 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
5305-01-580-7591 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
D27539 Komatsu America Corporation (USA)
27539 PRIMARY Komatsu America Corporation (USA)
Related Parts
2910-00-364-4974INTERCHANGEABLE
VALVE
5330-01-024-9691INTERCHANGEABLE
GASKET
4140-01-248-2606INTERCHANGEABLE
FAN ASSEMBLY
27539
5305-01-548-4716INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
29927
5305-01-580-7591INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5310-00-270-2168?

NSN 5310-00-270-2168 is a Washer,flat, manufactured by Komatsu America Corporation, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-270-2168?

NSN 5310-00-270-2168 has 2 cross-referenced part numbers: D27539 (Komatsu America Corporation), 27539 (Komatsu America Corporation).

What NSN replaces 5310-00-270-2168?

There are 5 known substitutes for 5310-00-270-2168: 2910-00-364-4974, 5330-01-024-9691, 4140-01-248-2606 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27539?

Key specifications for 27539: Peripheral Shape Style: ROUND; Material: COPPER ALLOY 938 OVERALL; Thickness: 0.245 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN; Overall Diameter: 2.625 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-270-2168 still in active supply?

NSN 5310-00-270-2168 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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