PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GKT-600Washer,flat

Atlas Copco Holyoke Inc · NSN 5310-00-116-0081 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-116-0081 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-116-0081. Primary manufacturer part number: GKT-600.
Features
  • Washer,flat — FSC 5310
  • Material: COPPER OVERALL
  • Hole Diameter: 0.594 INCHES NOMINAL IN
  • Overall Diameter: 0.938 INCHES NOMINAL IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-116-0081, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atlas Copco Holyoke Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-116-0081
Primary Part NumberGKT-600
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAtlas Copco Holyoke Inc
StatusACTIVE
MaterialCOPPER OVERALL
Hole Diameter0.594 INCHES NOMINAL IN
Overall Diameter0.938 INCHES NOMINAL IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5995-00-113-3519 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5355-00-450-194810848 INTERCHANGEABLE
Knob
Astronautics Corporation of America
5340-00-598-25951084-8 INTERCHANGEABLE
Bolt,barrel
Stanley Black & Decker, Inc.
5950-01-007-65459542 INTERCHANGEABLE
Transformer,power
A M I/ Coast Magnetics Inc. Dba Coast Magnetics
1680-01-076-2154108-48 INTERCHANGEABLE
Field Assembly
Senior Operations Llc Div Senior Aerospace Ketema
5330-01-136-8341 INTERCHANGEABLE
Gasket
7690-01-162-264710848 INTERCHANGEABLE
Marker,identification
Eaton Corporation Div Eaton Fluid Power
6530-01-719-630010848 INTERCHANGEABLE
Wrapper,sterilization
O&m Halyard, Inc
Cross-Reference Index
Part NumberManufacturer
PL20944BPIECE15 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
HL18122-199 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
GKT600 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
GKT600 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
10848 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
10848 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
GKT-600 Zf Industrieantriebe Witten Gmbh (DEU)
GKT-600 PRIMARY Atlas Copco Holyoke Inc (USA)
10848 Siemens Energy, Inc. Dba Dresser-Rand (USA)
GKT600 Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
5995-00-113-3519INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5355-00-450-1948INTERCHANGEABLE
KNOB
10848
5340-00-598-2595INTERCHANGEABLE
BOLT,BARREL
1084-8
5950-01-007-6545INTERCHANGEABLE
TRANSFORMER,POWER
9542
1680-01-076-2154INTERCHANGEABLE
FIELD ASSEMBLY
108-48
5330-01-136-8341INTERCHANGEABLE
GASKET
7690-01-162-2647INTERCHANGEABLE
MARKER,IDENTIFICATION
10848
6530-01-719-6300INTERCHANGEABLE
WRAPPER,STERILIZATION
10848

Frequently Asked Questions

What is NSN 5310-00-116-0081?

NSN 5310-00-116-0081 is a Washer,flat, manufactured by Atlas Copco Holyoke Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-116-0081?

NSN 5310-00-116-0081 has 10 cross-referenced part numbers: PL20944BPIECE15 (Worthington Compressors Inc Air Power and Construction Equip Div), HL18122-199 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), GKT600 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), GKT600 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 10848 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions) and 5 more.

What NSN replaces 5310-00-116-0081?

There are 8 known substitutes for 5310-00-116-0081: 5995-00-113-3519, 5355-00-450-1948, 5340-00-598-2595 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GKT-600?

Key specifications for GKT-600: Material: COPPER OVERALL; Hole Diameter: 0.594 INCHES NOMINAL IN; Overall Diameter: 0.938 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM. 8 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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