PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6049Washer,flat

Eaton Corporation Div Eaton Fluid Power · NSN 5310-00-481-6577 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-481-6577 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-481-6577. Primary manufacturer part number: 6049.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.315 INCHES NOMINAL IN
  • Overall Diameter: 0.438 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.034 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-481-6577, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN5310-00-481-6577
Primary Part Number6049
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
Peripheral Shape StyleROUND
Hole Diameter0.315 INCHES NOMINAL IN
Overall Diameter0.438 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.034 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-262-97176049 INTERCHANGEABLE
Nut,plain,square
Mitsubishi Caterpillar Forklift America, Inc
5306-00-338-6415 INTERCHANGEABLE
Bolt,mounting,water
3110-00-555-5339 INTERCHANGEABLE
Bearing,ball,annular
5950-00-647-7545718296REVE INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-729-43336049 INTERCHANGEABLE
Gasket
Sachs-Boge of America
4931-01-019-7876MIS-35936/4 INTERCHANGEABLE
Module,plug-in
Us Army Aviation and Missile Command
5915-01-022-5990293-1292-020 INTERCHANGEABLE
Filter,band Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-01-234-92386049 INTERCHANGEABLE
Insert,tube Fitting
Thomas Instrument, Incorporated
1430-01-357-124960-49 INTERCHANGEABLE
Amplifier-Frequency Multiplier
Anritsu Company
6150-01-461-56996049 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Newport Scientific, Inc.
Cross-Reference Index
Part NumberManufacturer
6049 PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
5310-00-262-9717INTERCHANGEABLE
NUT,PLAIN,SQUARE
6049
5306-00-338-6415INTERCHANGEABLE
BOLT,MOUNTING,WATER
3110-00-555-5339INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-647-7545INTERCHANGEABLE
TRANSFORMER,POWER
718296REVE
5330-00-729-4333INTERCHANGEABLE
GASKET
6049
4931-01-019-7876INTERCHANGEABLE
MODULE,PLUG-IN
MIS-35936/4
5915-01-022-5990INTERCHANGEABLE
FILTER,BAND PASS
293-1292-020
4730-01-234-9238INTERCHANGEABLE
INSERT,TUBE FITTING
6049
1430-01-357-1249INTERCHANGEABLE
AMPLIFIER-FREQUENCY MULTIPLIER
60-49
6150-01-461-5699INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6049
5999-01-504-7544INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
6049
8340-01-651-6661INTERCHANGEABLE
FLY,TENT
6049

Frequently Asked Questions

What is NSN 5310-00-481-6577?

NSN 5310-00-481-6577 is a Washer,flat, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-481-6577?

NSN 5310-00-481-6577 has 1 cross-referenced part number: 6049 (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 5310-00-481-6577?

There are 12 known substitutes for 5310-00-481-6577: 5310-00-262-9717, 5306-00-338-6415, 3110-00-555-5339 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6049?

Key specifications for 6049: Peripheral Shape Style: ROUND; Hole Diameter: 0.315 INCHES NOMINAL IN; Overall Diameter: 0.438 INCHES NOMINAL IN; Center Hole 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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