PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3050-0681Washer,flat

Keysight Technologies Inc · NSN 5310-00-202-4398 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-202-4398 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-202-4398. Primary manufacturer part number: 3050-0681.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: CELLULOSE OVERALL
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Hole Diameter: 0.172 INCHES NOMINAL IN
  • Thickness: 0.031 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-202-4398, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN5310-00-202-4398
Primary Part Number3050-0681
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialCELLULOSE OVERALL
Overall Diameter0.375 INCHES NOMINAL IN
Hole Diameter0.172 INCHES NOMINAL IN
Thickness0.031 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-05069121 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
3110-00-100-6170MS19059-2430 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
3040-00-104-232516514 INTERCHANGEABLE
Worm Shaft
Hoist Liftruck Mfg Inc
2810-00-118-40546514 INTERCHANGEABLE
Shaft
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5340-00-200-6556 INTERCHANGEABLE
Clamp,loop
5935-00-539-284957A5A15-16 INTERCHANGEABLE
Connector,plug,electrical
Naval Air Warfare Center Aircraft Div
4030-00-599-85035514 INTERCHANGEABLE
Rod,anchor
Ngk-Locke, Inc.
3110-00-732-282010122433 INTERCHANGEABLE
Bearing,ball,annular
Us Army Aviation and Missile Command
2990-00-890-2434T-6514 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5310-00-891-1548 INTERCHANGEABLE
Nut,gland
Cross-Reference Index
Part NumberManufacturer
3050-0681 Hewlett-Packard Company Dba HP (USA)
1003342-1 The Boeing Company (USA)
S1003342-1 The Boeing Company (USA)
3050-0681 Keysight Technologies, Inc. (USA)
6743268 General Motors Corp (USA)
16514 Gc/waldom Inc (USA)
6514 Gc/waldom Inc (USA)
3050-0681 PRIMARY Keysight Technologies Inc (USA)
Related Parts
3110-00-100-0506INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
9121
3110-00-100-6170INTERCHANGEABLE
BALL,BEARING
MS19059-2430
3040-00-104-2325INTERCHANGEABLE
WORM SHAFT
16514
2810-00-118-4054INTERCHANGEABLE
SHAFT
6514
5340-00-200-6556INTERCHANGEABLE
CLAMP,LOOP
5935-00-539-2849INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
57A5A15-16
4030-00-599-8503INTERCHANGEABLE
ROD,ANCHOR
5514
3110-00-732-2820INTERCHANGEABLE
BEARING,BALL,ANNULAR
10122433
2990-00-890-2434INTERCHANGEABLE
MUFFLER,EXHAUST
T-6514
5310-00-891-1548INTERCHANGEABLE
NUT,GLAND
5935-00-929-9519INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
400213
5935-01-023-2500INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC810RU2

Frequently Asked Questions

What is NSN 5310-00-202-4398?

NSN 5310-00-202-4398 is a Washer,flat, manufactured by Keysight Technologies Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-202-4398?

NSN 5310-00-202-4398 has 8 cross-referenced part numbers: 3050-0681 (Hewlett-Packard Company Dba HP), 1003342-1 (The Boeing Company), S1003342-1 (The Boeing Company), 3050-0681 (Keysight Technologies, Inc.), 6743268 (General Motors Corp) and 3 more.

What NSN replaces 5310-00-202-4398?

There are 12 known substitutes for 5310-00-202-4398: 3110-00-100-0506, 3110-00-100-6170, 3040-00-104-2325 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3050-0681?

Key specifications for 3050-0681: Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: CELLULOSE OVERALL; Overall Diameter: 0.375 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-202-4398 still in active supply?

NSN 5310-00-202-4398 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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