PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST990017-009Washer,shouldered

Honeywell International Inc. Dba Honeywell International · NSN 5310-00-728-3493 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-728-3493 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-728-3493. Primary manufacturer part number: ST990017-009.
Features
  • Washer,shouldered — FSC 5310
  • Hole Diameter: 0.193 INCHES NOMINAL IN
  • Material Thickness: 0.078 INCHES NOMINAL IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Shoulder Height: 0.043 INCHES NOMINAL IN
  • Outside Diameter: 0.375 INCHES NOMINAL IN
  • Shoulder Diameter: 0.257 INCHES NOMINAL IN
  • Style Designator: SHOULDERED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-728-3493, 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. Dba Honeywell International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-728-3493
Primary Part NumberST990017-009
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusCANCELLED
Hole Diameter0.193 INCHES NOMINAL IN
Material Thickness0.078 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Shoulder Height0.043 INCHES NOMINAL IN
Outside Diameter0.375 INCHES NOMINAL IN
Shoulder Diameter0.257 INCHES NOMINAL IN
Style DesignatorSHOULDERED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6350-00-906-2446SC110 INTERCHANGEABLE
Buzzer
Yosemite Investment Inc Dba North American Capacitor Co
5120-01-478-52522371 INTERCHANGEABLE
Extractor,integrated Circuit
Emf Co Inc the
Cross-Reference Index
Part NumberManufacturer
10443-10 Aimtron Systems, Llc (USA)
ST990017-009 PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
950501-16 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
57632200-10 General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
950501-16 Litton Systems Inc. Div Navigation Systems Division (USA)
9336C3013-5 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
9336C30135 Lockheed Corp Lockheed Electronics Co Inc (USA)
5607-21 Seastrom Manufacturing Co Inc (USA)
5607-21 PRIMARY Raytheon Company Div Rmd Strategic (USA)
5624-16-5 PRIMARY Keystone Electronics Corp (USA)
10443-10 Cardion Inc (USA)
5310007283493 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
9336C3013-5 Lockheed Corp Lockheed Electronics Co Inc (USA)
Related Parts
6350-00-906-2446INTERCHANGEABLE
BUZZER
SC110
5120-01-478-5252INTERCHANGEABLE
EXTRACTOR,INTEGRATED CIRCUIT
2371

Frequently Asked Questions

What is NSN 5310-00-728-3493?

NSN 5310-00-728-3493 is a Washer,shouldered, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-728-3493?

NSN 5310-00-728-3493 has 13 cross-referenced part numbers: 10443-10 (Aimtron Systems, Llc), ST990017-009 (Honeywell International Inc. Dba Honeywell International), 950501-16 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 57632200-10 (General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems), 950501-16 (Litton Systems Inc. Div Navigation Systems Division) and 8 more.

What NSN replaces 5310-00-728-3493?

There are 2 known substitutes for 5310-00-728-3493: 6350-00-906-2446, 5120-01-478-5252. Verify interchangeability with system specifications before substitution.

What are the specifications of ST990017-009?

Key specifications for ST990017-009: Hole Diameter: 0.193 INCHES NOMINAL IN; Material Thickness: 0.078 INCHES NOMINAL IN; Material: PLASTIC POLYAMIDE NYLON OVERALL; Shoulder Height: 0.043 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-728-3493 still in active supply?

NSN 5310-00-728-3493 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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