PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2671CWasher,flat

Manitowoc Engineering Co Division of the Manitowoc Co Inc · NSN 5310-00-270-2161 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-270-2161 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-270-2161. Primary manufacturer part number: 2671C.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 3.802 INCHES MINIMUM AND 3.857 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-270-2161, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Manitowoc Engineering Co Division of the Manitowoc Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-00-270-2161
Primary Part Number2671C
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerManitowoc Engineering Co Division of the Manitowoc Co Inc
StatusACTIVE
Center Hole Shape StyleROUND
Overall Diameter6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Hole Diameter3.802 INCHES MINIMUM AND 3.857 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-135-33612671 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5930-00-504-60688531267 INTERCHANGEABLE
Switch,toggle
Us Army Aviation and Missile Command
5905-00-581-4900 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2040-00-633-6023 INTERCHANGEABLE
Rudder,boat
5985-00-686-17032671 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5820-00-752-0894SCA46500A INTERCHANGEABLE
Radio Set Control Group
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-836-72902671 INTERCHANGEABLE
Diaphragm,valve,flat
Lawler Manufacturing Company, Inc.
5975-01-218-31792671 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5935-01-258-1822ADT-2671-BM-SMF-02 INTERCHANGEABLE
Adapter,connector
Cinch Connectivity Solutions Inc
2940-01-310-68192671 INTERCHANGEABLE
Filter Element,intake Air Cleane
Napa Automotive Parts Co
Cross-Reference Index
Part NumberManufacturer
2671C PRIMARY Manitowoc Engineering Co Division of the Manitowoc Co Inc (USA)
2671 PRIMARY Manitowoc Engineering Co Division of the Manitowoc Co Inc (USA)
Related Parts
5365-00-135-3361INTERCHANGEABLE
SPACER,SLEEVE
2671
5930-00-504-6068INTERCHANGEABLE
SWITCH,TOGGLE
8531267
5905-00-581-4900INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2040-00-633-6023INTERCHANGEABLE
RUDDER,BOAT
5985-00-686-1703INTERCHANGEABLE
COUPLER,DIRECTIONAL
2671
5820-00-752-0894INTERCHANGEABLE
RADIO SET CONTROL GROUP
SCA46500A
4820-00-836-7290INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
2671
5975-01-218-3179INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2671
5935-01-258-1822INTERCHANGEABLE
ADAPTER,CONNECTOR
ADT-2671-BM-SMF-02
2940-01-310-6819INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
2671
2940-01-315-2522INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42671
5360-01-591-4839INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2671

Frequently Asked Questions

What is NSN 5310-00-270-2161?

NSN 5310-00-270-2161 is a Washer,flat, manufactured by Manitowoc Engineering Co Division of the Manitowoc Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-270-2161?

NSN 5310-00-270-2161 has 2 cross-referenced part numbers: 2671C (Manitowoc Engineering Co Division of the Manitowoc Co Inc), 2671 (Manitowoc Engineering Co Division of the Manitowoc Co Inc).

What NSN replaces 5310-00-270-2161?

There are 12 known substitutes for 5310-00-270-2161: 5365-00-135-3361, 5930-00-504-6068, 5905-00-581-4900 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2671C?

Key specifications for 2671C: Center Hole Shape Style: ROUND; Overall Diameter: 6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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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