PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6513Washer,flat

Ajax Consolidated Co · NSN 5310-00-379-0451 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-379-0451 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-379-0451. Primary manufacturer part number: 6513.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 1.125 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Overall Diameter: 2.375 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.250 INCHES NOMINAL IN
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 5310-00-379-0451, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ajax Consolidated Co. 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
NSN5310-00-379-0451
Primary Part Number6513
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAjax Consolidated Co
StatusACTIVE
Hole Diameter1.125 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Overall Diameter2.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-082-4652 INTERCHANGEABLE
Terminal,stud
5975-00-089-18802531 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
3110-00-100-6168 INTERCHANGEABLE
Ball,bearing
5310-00-286-55706513 INTERCHANGEABLE
Washer,flat
Lawrence Johnson Machine Work Inc
5310-00-298-38816513 INTERCHANGEABLE
Washer,flat
Gc/waldom Inc
3110-00-509-4314A6513 INTERCHANGEABLE
Ring,bearing Retain
Aerocontrolex Group, Inc. Div Talley Actuators
4820-00-533-8341417-4903-68706ALT16PCA3 INTERCHANGEABLE
Stem,valve
Naval Ship Systems Command
5120-00-560-72286513 INTERCHANGEABLE
Wrench and Holder a
Allison Transmission Inc Dba Allison Transmission, Inc
6105-00-762-9214A15518 INTERCHANGEABLE
Motor,control
General Dynamics Motion Control Llc
5365-00-914-48806513 INTERCHANGEABLE
Shim
Donaldson Company, Inc.
Cross-Reference Index
Part NumberManufacturer
6513 Ajax Consolidated Co (USA)
Related Parts
5940-00-082-4652INTERCHANGEABLE
TERMINAL,STUD
5975-00-089-1880INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2531
3110-00-100-6168INTERCHANGEABLE
BALL,BEARING
5310-00-286-5570INTERCHANGEABLE
WASHER,FLAT
6513
5310-00-298-3881INTERCHANGEABLE
WASHER,FLAT
6513
3110-00-509-4314INTERCHANGEABLE
RING,BEARING RETAIN
A6513
4820-00-533-8341INTERCHANGEABLE
STEM,VALVE
417-4903-68706ALT16PCA3
5120-00-560-7228INTERCHANGEABLE
WRENCH AND HOLDER A
6513
6105-00-762-9214INTERCHANGEABLE
MOTOR,CONTROL
A15518
5365-00-914-4880INTERCHANGEABLE
SHIM
6513
3040-01-200-1017INTERCHANGEABLE
CONNECTING LINK,RIGID
6513-15
4820-01-376-7417INTERCHANGEABLE
FLOAT LEVER

Frequently Asked Questions

What is NSN 5310-00-379-0451?

NSN 5310-00-379-0451 is a Washer,flat, manufactured by Ajax Consolidated Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-379-0451?

NSN 5310-00-379-0451 has 1 cross-referenced part number: 6513 (Ajax Consolidated Co).

What NSN replaces 5310-00-379-0451?

There are 12 known substitutes for 5310-00-379-0451: 5940-00-082-4652, 5975-00-089-1880, 3110-00-100-6168 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6513?

Key specifications for 6513: Hole Diameter: 1.125 INCHES NOMINAL IN; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 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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