PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45677Washer,key

Bourns Inc · NSN 5310-01-531-2751 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-531-2751 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-531-2751. Primary manufacturer part number: 45677.
Features
  • Washer,key — FSC 5310
  • Material: STEEL COMP 316 OVERALL
  • Outside Diameter: 14.0 MILLIMETERS NOMINAL MM
  • 2 verified cross-references
  • Primary manufacturer: Bourns Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-01-531-2751, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bourns Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-531-2751
Primary Part Number45677
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBourns Inc
StatusACTIVE
MaterialSTEEL COMP 316 OVERALL
Outside Diameter14.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-497-1823KS45677 INTERCHANGEABLE
Regulator,engine Generator
Hoist Liftruck Mfg Inc
3120-00-662-744650004 INTERCHANGEABLE
Bushing,sleeve
Parker Hannifin Corporation Div Hydraulic Systems Division
5310-00-708-784645677 INTERCHANGEABLE
Washer,flat
Lexmark International, Inc. Dba Lexmark
5905-00-780-948845677 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
L3harris Technologies, Inc. Div Space and Airborne Systems
2510-01-665-765779-247-C40000 INTERCHANGEABLE
Window,vehicular
Oran Safety Glass Inc Dba Oran Safety Glass Inc
Cross-Reference Index
Part NumberManufacturer
45677 PRIMARY Bourns Inc (USA)
45677 Cat Pumps Corp (USA)
Related Parts
2920-00-497-1823INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
KS45677
3120-00-662-7446INTERCHANGEABLE
BUSHING,SLEEVE
50004
5310-00-708-7846INTERCHANGEABLE
WASHER,FLAT
45677
5905-00-780-9488INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
45677
2510-01-665-7657INTERCHANGEABLE
WINDOW,VEHICULAR
79-247-C40000

Frequently Asked Questions

What is NSN 5310-01-531-2751?

NSN 5310-01-531-2751 is a Washer,key, manufactured by Bourns Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-531-2751?

NSN 5310-01-531-2751 has 2 cross-referenced part numbers: 45677 (Bourns Inc), 45677 (Cat Pumps Corp).

What NSN replaces 5310-01-531-2751?

There are 5 known substitutes for 5310-01-531-2751: 2920-00-497-1823, 3120-00-662-7446, 5310-00-708-7846 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45677?

Key specifications for 45677: Material: STEEL COMP 316 OVERALL; Part Name Assigned by Controlling Agency: WASHERS,KEY HOLE; Outside Diameter: 14.0 MILLIMETERS NOMINAL MM; End Item Identification: CAT PUMP MODELS 6760,6761,6762,6767. 4 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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