PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1146CWasher,lock

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5310-00-143-6044 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-143-6044 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-143-6044. Primary manufacturer part number: 1146C.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Hole Diameter: 0.478 INCHES NOMINAL IN
  • Style Designator: FLAT INTERNAL TEETH
  • Outside Diameter: 0.603 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Material Thickness: 0.019 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-143-6044, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-143-6044
Primary Part Number1146C
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
MaterialSTEEL OVERALL
Hole Diameter0.478 INCHES NOMINAL IN
Style DesignatorFLAT INTERNAL TEETH
Outside Diameter0.603 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Material Thickness0.019 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-209-4941 INTERCHANGEABLE
Washer,lock
4820-00-580-6922114-6C INTERCHANGEABLE
Valve,angle
Superior Valve Co
Cross-Reference Index
Part NumberManufacturer
1146C PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
1146C Dialight Corporation (USA)
Related Parts
5310-00-209-4941INTERCHANGEABLE
WASHER,LOCK
4820-00-580-6922INTERCHANGEABLE
VALVE,ANGLE
114-6C

Frequently Asked Questions

What is NSN 5310-00-143-6044?

NSN 5310-00-143-6044 is a Washer,lock, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-143-6044?

NSN 5310-00-143-6044 has 2 cross-referenced part numbers: 1146C (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 1146C (Dialight Corporation).

What NSN replaces 5310-00-143-6044?

There are 2 known substitutes for 5310-00-143-6044: 5310-00-209-4941, 4820-00-580-6922. Verify interchangeability with system specifications before substitution.

What are the specifications of 1146C?

Key specifications for 1146C: Material: STEEL OVERALL; Hole Diameter: 0.478 INCHES NOMINAL IN; Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.603 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com