PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10501Washer,flat

Siewek Tool Co Inc · NSN 5310-00-767-4814 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-767-4814 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-767-4814. Primary manufacturer part number: 10501.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.188 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • 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 5310-00-767-4814, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siewek Tool Co Inc. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-767-4814
Primary Part Number10501
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSiewek Tool Co Inc
StatusACTIVE
Thickness0.188 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Overall Diameter1.000 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Peripheral Shape StyleROUND
Hole Diameter0.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-045-116161114 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
6695-00-138-951310501 INTERCHANGEABLE
Meter Movement
The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and
5310-00-148-8916 INTERCHANGEABLE
Washer,flat
6515-00-426-951410501 INTERCHANGEABLE
Syringe,oral
Smith and Nephew Inc Smith and Nephew Equipment Div
5940-00-642-072510034235 INTERCHANGEABLE
Terminal,stud
Us Army Aviation and Missile Command
5310-00-939-0850MS21083C08 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-070-2836 INTERCHANGEABLE
Lockwasher Set,disc
6515-01-141-159610501 INTERCHANGEABLE
Impression Material,ear
Westone Laboratories Inc Div Westone Labs Inc
5930-01-178-4023 INTERCHANGEABLE
Switch,electrical
4730-01-178-48738886 INTERCHANGEABLE
Orifice,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
10501 Siewek Tool Co Inc (USA)
Related Parts
5950-00-045-1161INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61114
6695-00-138-9513INTERCHANGEABLE
METER MOVEMENT
10501
5310-00-148-8916INTERCHANGEABLE
WASHER,FLAT
6515-00-426-9514INTERCHANGEABLE
SYRINGE,ORAL
10501
5940-00-642-0725INTERCHANGEABLE
TERMINAL,STUD
10034235
5310-00-939-0850INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21083C08
5310-01-070-2836INTERCHANGEABLE
LOCKWASHER SET,DISC
6515-01-141-1596INTERCHANGEABLE
IMPRESSION MATERIAL,EAR
10501
5930-01-178-4023INTERCHANGEABLE
SWITCH,ELECTRICAL
4730-01-178-4873INTERCHANGEABLE
ORIFICE,VALVE
8886
4820-01-227-2514INTERCHANGEABLE
MANIFOLD ASSEMBLY
10501
4920-01-264-3978INTERCHANGEABLE
FILTER BOX,ELECTRONIC
1050-1

Frequently Asked Questions

What is NSN 5310-00-767-4814?

NSN 5310-00-767-4814 is a Washer,flat, manufactured by Siewek Tool Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-767-4814?

NSN 5310-00-767-4814 has 1 cross-referenced part number: 10501 (Siewek Tool Co Inc).

What NSN replaces 5310-00-767-4814?

There are 12 known substitutes for 5310-00-767-4814: 5950-00-045-1161, 6695-00-138-9513, 5310-00-148-8916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10501?

Key specifications for 10501: Thickness: 0.188 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL OVERALL; Center Hole Shape Style: ROUND. 8 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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