PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53143Washer,flat

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-147-2065 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-147-2065 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-147-2065. Primary manufacturer part number: 53143.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Thickness: 0.043 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral 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 5310-00-147-2065, 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 10 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-147-2065
Primary Part Number53143
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Hole Diameter0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Thickness0.043 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Overall Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Hardness Rating90.0 ROCKWELL B MINIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5133-00-228-1330 INTERCHANGEABLE
Drill,twist
1610-00-442-874553143 INTERCHANGEABLE
Expander
Hamilton Sundstrand Corporation Dba Collins Aerospace
5815-00-600-2932 INTERCHANGEABLE
Bracket Assy
5910-00-648-773853-143 INTERCHANGEABLE
Capacitor Assembly
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5950-00-996-190553-14-3 INTERCHANGEABLE
Transformer,power
Tce Canada Ltd
Cross-Reference Index
Part NumberManufacturer
53143 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
53143 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5133-00-228-1330INTERCHANGEABLE
DRILL,TWIST
1610-00-442-8745INTERCHANGEABLE
EXPANDER
53143
5815-00-600-2932INTERCHANGEABLE
BRACKET ASSY
5910-00-648-7738INTERCHANGEABLE
CAPACITOR ASSEMBLY
53-143
5950-00-996-1905INTERCHANGEABLE
TRANSFORMER,POWER
53-14-3

Frequently Asked Questions

What is NSN 5310-00-147-2065?

NSN 5310-00-147-2065 is a Washer,flat, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-147-2065?

NSN 5310-00-147-2065 has 2 cross-referenced part numbers: 53143 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), 53143 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-00-147-2065?

There are 5 known substitutes for 5310-00-147-2065: 5133-00-228-1330, 1610-00-442-8745, 5815-00-600-2932 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53143?

Key specifications for 53143: Hole Diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL; Material: STEEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-147-2065 still in active supply?

NSN 5310-00-147-2065 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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