PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X1026T4Washer,flat

Ingersoll Rand Co · NSN 5310-00-354-5927 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-354-5927 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-354-5927. Primary manufacturer part number: X1026T4.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.875 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Thickness: 0.062 INCHES NOMINAL IN
  • Material: COPPER OVERALL
  • Hole Diameter: 0.656 INCHES NOMINAL IN
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 5310-00-354-5927, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ingersoll Rand Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, 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
NSN5310-00-354-5927
Primary Part NumberX1026T4
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIngersoll Rand Co
StatusACTIVE
Center Hole Shape StyleROUND
Overall Diameter0.875 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Thickness0.062 INCHES NOMINAL IN
MaterialCOPPER OVERALL
Hole Diameter0.656 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0676687 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5960-00-188-8635 INTERCHANGEABLE
Electron Tube
4730-00-189-3041 INTERCHANGEABLE
Reducer,pipe
5120-00-473-74707082084 INTERCHANGEABLE
Inserter,seal
U S Army Tank Automotive Command Amsta-Im-Mm
5325-00-616-596153-480 INTERCHANGEABLE
Grommet,nonmetallic
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
1680-00-631-7344687 INTERCHANGEABLE
Seat,aircraft
Ami Industries, Inc Div Utc Aerospace Systems
5305-00-719-868120000687 INTERCHANGEABLE
Screw,machine
Waltham Aircraft Clock Corp
5310-00-770-77867707786 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
3110-00-938-4023E104644PC84 INTERCHANGEABLE
Bearing,roller,needle
Control Flow, Inc. Dba Control Flow Inc
2920-01-038-1329687 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
Cross-Reference Index
Part NumberManufacturer
X1026T4 Ingersoll Rand Co (USA)
X1026T4 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
X1026T4 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
637D60 Ingersoll Rand Co (USA)
X1026T4 Siemens Energy, Inc. Dba Dresser-Rand (USA)
6S7D60 Ingersoll Rand Co (USA)
6S7 Ingersoll Rand Co (USA)
687 Ingersoll Rand Co (USA)
Related Parts
3110-00-100-0676INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
687
5960-00-188-8635INTERCHANGEABLE
ELECTRON TUBE
4730-00-189-3041INTERCHANGEABLE
REDUCER,PIPE
5120-00-473-7470INTERCHANGEABLE
INSERTER,SEAL
7082084
5325-00-616-5961INTERCHANGEABLE
GROMMET,NONMETALLIC
53-480
1680-00-631-7344INTERCHANGEABLE
SEAT,AIRCRAFT
687
5305-00-719-8681INTERCHANGEABLE
SCREW,MACHINE
20000687
5310-00-770-7786INTERCHANGEABLE
WASHER,FLAT
7707786
3110-00-938-4023INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
E104644PC84
2920-01-038-1329INTERCHANGEABLE
SPARK PLUG
687
6240-01-044-0071INTERCHANGEABLE
LAMP,INCANDESCENT
7646
5950-01-053-4101INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5310-00-354-5927?

NSN 5310-00-354-5927 is a Washer,flat, manufactured by Ingersoll Rand Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-354-5927?

NSN 5310-00-354-5927 has 8 cross-referenced part numbers: X1026T4 (Ingersoll Rand Co), X1026T4 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), X1026T4 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 637D60 (Ingersoll Rand Co), X1026T4 (Siemens Energy, Inc. Dba Dresser-Rand) and 3 more.

What NSN replaces 5310-00-354-5927?

There are 12 known substitutes for 5310-00-354-5927: 3110-00-100-0676, 5960-00-188-8635, 4730-00-189-3041 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X1026T4?

Key specifications for X1026T4: Center Hole Shape Style: ROUND; Overall Diameter: 0.875 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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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