PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10443-2Washer,shouldered

Aimtron Systems, Llc · NSN 5310-01-358-4955 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-358-4955 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-358-4955. Primary manufacturer part number: 10443-2.
Features
  • Washer,shouldered — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Aimtron Systems, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-358-4955, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aimtron Systems, Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,shouldered
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersAimtron Systems, Llc (CAGE 20284); Cardion Inc (CAGE 12909)
Technical Specifications
ParameterValue
NSN5310-01-358-4955
Primary Part Number10443-2
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1660-00-062-0277104432 INTERCHANGEABLE
Cover,regulator
Triumph Thermal Systems - Maryland, Inc.
5910-00-913-6320AS-5 INTERCHANGEABLE
Capacitor Set,matched
American Shizuki Corp
Cross-Reference Index
Part NumberManufacturer
10443-2 PRIMARY Aimtron Systems, Llc (USA)
10443-2 Cardion Inc (USA)
Related Parts
1660-00-062-0277INTERCHANGEABLE
COVER,REGULATOR
104432
5910-00-913-6320INTERCHANGEABLE
CAPACITOR SET,MATCHED
AS-5

Frequently Asked Questions

What is NSN 5310-01-358-4955?

NSN 5310-01-358-4955 is a Washer,shouldered, manufactured by Aimtron Systems, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-358-4955?

NSN 5310-01-358-4955 has 2 cross-referenced part numbers: 10443-2 (Aimtron Systems, Llc), 10443-2 (Cardion Inc).

What NSN replaces 5310-01-358-4955?

There are 2 known substitutes for 5310-01-358-4955: 1660-00-062-0277, 5910-00-913-6320. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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