PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

851297Washer,flat

Wisconsin Motors, Llc · NSN 5310-00-634-9120 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-634-9120 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-634-9120. Primary manufacturer part number: 851297.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: MIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: CELLULOSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-634-9120, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-634-9120
Primary Part Number851297
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Material Document and ClassificationMIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCELLULOSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter0.196 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6610-00-131-6945104305 INTERCHANGEABLE
Board and Contact
Astronautics Corporation of America
5330-00-202-2458 INTERCHANGEABLE
Gasket
5935-00-229-56122164 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cinch Connectivity Solutions Inc.
5120-00-256-0651216-4 INTERCHANGEABLE
Punch and Die,grommet Inserting
C. S. Osborne and Company Dba Cs Osborne & Co
6240-00-272-8601 INTERCHANGEABLE
Lamp,incandescent
6145-00-284-0866 INTERCHANGEABLE
Braid,wire
4820-00-287-4606 INTERCHANGEABLE
Valve,angle
5310-00-350-40552-164 INTERCHANGEABLE
Nut,plain,hexagon
Unison Industries Llc
4320-00-421-69898820993 INTERCHANGEABLE
Pump Assy
Sicard a Division of Smi-Snowblast Inc Dba Sicard
5950-00-432-0571 INTERCHANGEABLE
Transformer,power Autotransforme
Cross-Reference Index
Part NumberManufacturer
10430-5 Cardion Inc (USA)
5600-4-16 Crepe Kraft Co (USA)
851297 PRIMARY Wisconsin Motors, Llc (USA)
2037AS750-03 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
9336C3009-4 Lockheed Corp Lockheed Electronics Co Inc (USA)
2164 Smith H H Co (USA)
851297 Lauson Division of Tecumseh Products Co (USA)
20993 Mitsubishi Caterpillar Forklift America, Inc (USA)
10121570 Nimikkeistokeskus Ncb Finland (FIN)
10430-5 Aimtron Systems, Llc (USA)
2164 Dialight Corporation (USA)
420-73-0013 PRIMARY Raytheon Company Dba Raytheon (USA)
2164 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
9336C3009-4 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
6610-00-131-6945INTERCHANGEABLE
BOARD AND CONTACT
104305
5330-00-202-2458INTERCHANGEABLE
GASKET
5935-00-229-5612INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2164
5120-00-256-0651INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
216-4
6240-00-272-8601INTERCHANGEABLE
LAMP,INCANDESCENT
6145-00-284-0866INTERCHANGEABLE
BRAID,WIRE
4820-00-287-4606INTERCHANGEABLE
VALVE,ANGLE
5310-00-350-4055INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2-164
4320-00-421-6989INTERCHANGEABLE
PUMP ASSY
8820993
5950-00-432-0571INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5331-00-449-2471INTERCHANGEABLE
O-RING
2-164 C1124-70
3020-00-496-5332INTERCHANGEABLE
GEAR,HELICAL

Frequently Asked Questions

What is NSN 5310-00-634-9120?

NSN 5310-00-634-9120 is a Washer,flat, manufactured by Wisconsin Motors, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-634-9120?

NSN 5310-00-634-9120 has 14 cross-referenced part numbers: 10430-5 (Cardion Inc), 5600-4-16 (Crepe Kraft Co), 851297 (Wisconsin Motors, Llc), 2037AS750-03 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 9336C3009-4 (Lockheed Corp Lockheed Electronics Co Inc) and 9 more.

What NSN replaces 5310-00-634-9120?

There are 12 known substitutes for 5310-00-634-9120: 6610-00-131-6945, 5330-00-202-2458, 5935-00-229-5612 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 851297?

Key specifications for 851297: Material Document and Classification: MIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: CELLULOSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 0.375 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-634-9120 still in active supply?

NSN 5310-00-634-9120 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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