PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3050-0399Washer,flat

Hewlett-Packard Company Dba HP · NSN 5310-00-146-7214 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-146-7214 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-146-7214. Primary manufacturer part number: 3050-0399.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.380 INCHES NOMINAL IN
  • Hole Diameter: 0.140 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Surface Treatment: NICKEL OVERALL
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Thickness: 0.030 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 5310-00-146-7214, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hewlett-Packard Company Dba HP. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-146-7214
Primary Part Number3050-0399
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHewlett-Packard Company Dba HP
StatusCANCELLED
Overall Diameter0.380 INCHES NOMINAL IN
Hole Diameter0.140 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Surface TreatmentNICKEL OVERALL
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Thickness0.030 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6105-00-066-1630A4D3EX1C INTERCHANGEABLE
Motor,alternating Current
Ashland Electric Products Inc
5920-00-068-3007 INTERCHANGEABLE
Fuse Link,electrical
9540-00-188-4152 INTERCHANGEABLE
Beam,structural
5133-00-194-67541112-0033 INTERCHANGEABLE
Drill,twist
Pace, Incorporated Dba Pace Worldwide Inc.
5110-00-199-0458 INTERCHANGEABLE
Reamer,hand
3010-00-203-1653031020-0000 INTERCHANGEABLE
Coupling,shaft,flexible
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5120-00-278-1264 INTERCHANGEABLE
Punch,center,solid
5998-00-501-3735 INTERCHANGEABLE
Printed Circuit Board
3455-00-982-5114 INTERCHANGEABLE
Cutter,milling,end
3455-01-012-173131-020 INTERCHANGEABLE
Cutter,milling,circular
Onsrud Cutter Inc
Cross-Reference Index
Part NumberManufacturer
31020 Bell and Howell Phillipsburg Co Corporate Offices (USA)
31457 Bell and Howell Phillipsburg Co Corporate Offices (USA)
3050-0399 PRIMARY Hewlett-Packard Company Dba HP (USA)
3050-0399 Keysight Technologies, Inc. (USA)
Related Parts
6105-00-066-1630INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
A4D3EX1C
5920-00-068-3007INTERCHANGEABLE
FUSE LINK,ELECTRICAL
9540-00-188-4152INTERCHANGEABLE
BEAM,STRUCTURAL
5133-00-194-6754INTERCHANGEABLE
DRILL,TWIST
1112-0033
5110-00-199-0458INTERCHANGEABLE
REAMER,HAND
3010-00-203-1653INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
031020-0000
5120-00-278-1264INTERCHANGEABLE
PUNCH,CENTER,SOLID
5998-00-501-3735INTERCHANGEABLE
PRINTED CIRCUIT BOARD
3455-00-982-5114INTERCHANGEABLE
CUTTER,MILLING,END
3455-01-012-1731INTERCHANGEABLE
CUTTER,MILLING,CIRCULAR
31-020
5910-01-058-4645INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
921681-1
7510-01-109-0008INTERCHANGEABLE
INK
3-1020

Frequently Asked Questions

What is NSN 5310-00-146-7214?

NSN 5310-00-146-7214 is a Washer,flat, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-146-7214?

NSN 5310-00-146-7214 has 4 cross-referenced part numbers: 31020 (Bell and Howell Phillipsburg Co Corporate Offices), 31457 (Bell and Howell Phillipsburg Co Corporate Offices), 3050-0399 (Hewlett-Packard Company Dba HP), 3050-0399 (Keysight Technologies, Inc.).

What NSN replaces 5310-00-146-7214?

There are 12 known substitutes for 5310-00-146-7214: 6105-00-066-1630, 5920-00-068-3007, 9540-00-188-4152 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3050-0399?

Key specifications for 3050-0399: Overall Diameter: 0.380 INCHES NOMINAL IN; Hole Diameter: 0.140 INCHES NOMINAL IN; Center Hole Shape Style: ROUND; Surface Treatment: NICKEL OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-146-7214 still in active supply?

NSN 5310-00-146-7214 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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