PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140-001-5Washer,flat

Bell Textron Inc · NSN 5310-00-072-4873 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-072-4873 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-072-4873. Primary manufacturer part number: 140-001-5.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
  • Overall Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Peripheral Shape Style: ROUND
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: ANODIZE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-072-4873, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bell Textron Inc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-072-4873
Primary Part Number140-001-5
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBell Textron Inc
StatusACTIVE
Hole Diameter0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Overall Diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Material Document and ClassificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Peripheral Shape StyleROUND
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1650-01-208-3268 INTERCHANGEABLE
Cylinder Assembly,actuating,line
6530-01-516-166821150 INTERCHANGEABLE
Tube,exercise,physical Therapy
The Hygenic Corporation
5310-01-567-560714-00015 INTERCHANGEABLE
Nut,self-Locking,hexagon
Northern Lights Inc
Cross-Reference Index
Part NumberManufacturer
140-001-5 Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr (USA)
140-001-5 PRIMARY Bell Textron Inc (USA)
Related Parts
1650-01-208-3268INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
6530-01-516-1668INTERCHANGEABLE
TUBE,EXERCISE,PHYSICAL THERAPY
21150
5310-01-567-5607INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
14-00015

Frequently Asked Questions

What is NSN 5310-00-072-4873?

NSN 5310-00-072-4873 is a Washer,flat, manufactured by Bell Textron Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-072-4873?

NSN 5310-00-072-4873 has 2 cross-referenced part numbers: 140-001-5 (Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr), 140-001-5 (Bell Textron Inc).

What NSN replaces 5310-00-072-4873?

There are 3 known substitutes for 5310-00-072-4873: 1650-01-208-3268, 6530-01-516-1668, 5310-01-567-5607. Verify interchangeability with system specifications before substitution.

What are the specifications of 140-001-5?

Key specifications for 140-001-5: Hole Diameter: 0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; Overall Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: ALUMINUM ALLOY 2024 OVERALL. 10 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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