PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

512653Washer,flat

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-01-142-4519 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-142-4519 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-142-4519. Primary manufacturer part number: 512653.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.440 INCHES NOMINAL IN
  • Thickness: 0.070 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Hole Diameter: 0.203 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 Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-142-4519, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-142-4519
Primary Part Number512653
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Overall Diameter0.440 INCHES NOMINAL IN
Thickness0.070 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Hole Diameter0.203 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-155-79671813 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
Cross-Reference Index
Part NumberManufacturer
512653 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6240-00-155-7967INTERCHANGEABLE
LAMP,INCANDESCENT
1813

Frequently Asked Questions

What is NSN 5310-01-142-4519?

NSN 5310-01-142-4519 is a Washer,flat, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-142-4519?

NSN 5310-01-142-4519 has 1 cross-referenced part number: 512653 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-01-142-4519?

There is 1 known substitute for 5310-01-142-4519: 6240-00-155-7967. Verify interchangeability with system specifications before substitution.

What are the specifications of 512653?

Key specifications for 512653: Overall Diameter: 0.440 INCHES NOMINAL IN; Thickness: 0.070 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; 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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