PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16203Washer,flat

Honeywell International, Inc Div Aerospace-Tucson · NSN 5310-00-171-8496 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-171-8496 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-171-8496. Primary manufacturer part number: 16203.
Features
  • Washer,flat — FSC 5310
  • Material: WOOL OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 1.172 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.625 INCHES NOMINAL IN
  • Thickness: 0.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-171-8496, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 7 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-171-8496
Primary Part Number16203
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
MaterialWOOL OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter1.172 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.625 INCHES NOMINAL IN
Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-019-0670MS35333-106 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6685-00-110-487560079G001 INTERCHANGEABLE
Choke Assembly
Hersey Measurement Co Div of Miller Industries Inc
5310-00-393-4629 INTERCHANGEABLE
Washer,worm
5935-00-481-0734G350187S1 INTERCHANGEABLE
Adapter,connector
L3harris Technologies, Inc Div Space & Airborne Systems
5940-00-983-6114 INTERCHANGEABLE
Terminal Board
4320-01-165-3580SA23X INTERCHANGEABLE
Surface Heater,pump
Watlow Electric Manufacturing Co Dba Watlow
6250-01-282-19131620300 INTERCHANGEABLE
Holder,lampholder
Phoenix Products Llc Dba Phoenix Lighting Products Llc
6515-01-589-482102.205.055 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16203 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
16203 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
5310-00-019-0670INTERCHANGEABLE
WASHER,LOCK
MS35333-106
6685-00-110-4875INTERCHANGEABLE
CHOKE ASSEMBLY
60079G001
5310-00-393-4629INTERCHANGEABLE
WASHER,WORM
5935-00-481-0734INTERCHANGEABLE
ADAPTER,CONNECTOR
G350187S1
5940-00-983-6114INTERCHANGEABLE
TERMINAL BOARD
4320-01-165-3580INTERCHANGEABLE
SURFACE HEATER,PUMP
SA23X
6250-01-282-1913INTERCHANGEABLE
HOLDER,LAMPHOLDER
1620300
6515-01-589-4821INTERCHANGEABLE
SCREW,BONE
02.205.055

Frequently Asked Questions

What is NSN 5310-00-171-8496?

NSN 5310-00-171-8496 is a Washer,flat, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-171-8496?

NSN 5310-00-171-8496 has 2 cross-referenced part numbers: 16203 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 16203 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 5310-00-171-8496?

There are 8 known substitutes for 5310-00-171-8496: 5310-00-019-0670, 6685-00-110-4875, 5310-00-393-4629 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16203?

Key specifications for 16203: Material: WOOL OVERALL; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Hole Diameter: 1.172 INCHES NOMINAL IN. 7 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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