PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18BWasher,flat

Siemens Energy, Inc. Dba Dresser-Rand · NSN 5310-00-420-6976 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-420-6976 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-420-6976. Primary manufacturer part number: 18B.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
  • Material Document and Classification: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Overall Diameter: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 316 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-420-6976, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc. Dba Dresser-Rand. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 3 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
NSN5310-00-420-6976
Primary Part Number18B
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSiemens Energy, Inc. Dba Dresser-Rand
StatusACTIVE
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
Material Document and ClassificationQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
Overall Diameter2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Hole Diameter1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-201-432749539 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-00-362-2085851009 INTERCHANGEABLE
Bolt,connecting Rod
Dana Off Highway Products, Llc
5120-00-498-8989 INTERCHANGEABLE
Staking Tool,jeweler's
3110-00-565-737218B INTERCHANGEABLE
Bearing,ball,annular
Pacific Hydro Corp
5999-00-583-7028 INTERCHANGEABLE
Retainer,electrical Shield
3120-00-661-79573157087-41 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
4020-00-823-7368 INTERCHANGEABLE
Tape,lacing and Tying
7920-01-011-942918-B INTERCHANGEABLE
Brush,wire,scratch
Gordon Brush Mfg. Co., Inc.
4110-01-030-4436KOLPAK 12X9X86 INTERCHANGEABLE
Refrigerator,prefabricated
Kold Pack Incorporated
5120-01-084-4095 INTERCHANGEABLE
Insertion Handle
Cross-Reference Index
Part NumberManufacturer
18B PRIMARY Siemens Energy, Inc. Dba Dresser-Rand (USA)
114972PC211 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107761PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
18B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107672PC211 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107761PC211 PRIMARY Siemens Energy, Inc. Dba Dresser-Rand (USA)
107661P211 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
114972PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
107661PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
90022PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
107661P211 PRIMARY Siemens Energy, Inc. Dba Dresser-Rand (USA)
107761PC211 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
114972PC211 PRIMARY Siemens Energy, Inc. Dba Dresser-Rand (USA)
107772PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
90011PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
18B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
107672PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
107772PC211 PRIMARY Siemens Energy, Inc. Dba Dresser-Rand (USA)
107772PC211 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
114961PC211 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5935-00-201-4327INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
49539
5306-00-362-2085INTERCHANGEABLE
BOLT,CONNECTING ROD
851009
5120-00-498-8989INTERCHANGEABLE
STAKING TOOL,JEWELER'S
3110-00-565-7372INTERCHANGEABLE
BEARING,BALL,ANNULAR
18B
5999-00-583-7028INTERCHANGEABLE
RETAINER,ELECTRICAL SHIELD
3120-00-661-7957INTERCHANGEABLE
BEARING,SLEEVE
3157087-41
4020-00-823-7368INTERCHANGEABLE
TAPE,LACING AND TYING
7920-01-011-9429INTERCHANGEABLE
BRUSH,WIRE,SCRATCH
18-B
4110-01-030-4436INTERCHANGEABLE
REFRIGERATOR,PREFABRICATED
KOLPAK 12X9X86
5120-01-084-4095INTERCHANGEABLE
INSERTION HANDLE
5340-01-152-6089INTERCHANGEABLE
ROD,GUIDE
18B
5120-01-430-6239INTERCHANGEABLE
PUNCH,CENTER,AUTOMATIC
18B

Frequently Asked Questions

What is NSN 5310-00-420-6976?

NSN 5310-00-420-6976 is a Washer,flat, manufactured by Siemens Energy, Inc. Dba Dresser-Rand, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-420-6976?

NSN 5310-00-420-6976 has 23 cross-referenced part numbers: 18B (Siemens Energy, Inc. Dba Dresser-Rand), 114972PC211 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 107761PC211 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 18B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 107672PC211 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 18 more.

What NSN replaces 5310-00-420-6976?

There are 12 known substitutes for 5310-00-420-6976: 5935-00-201-4327, 5306-00-362-2085, 5120-00-498-8989 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18B?

Key specifications for 18B: Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL; Material Document and Classification: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL; Overall Diameter: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com