PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2518Washer,flat

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5310-00-846-8951 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-846-8951 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-846-8951. Primary manufacturer part number: 2518.
Features
  • Washer,flat — FSC 5310
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.260 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-846-8951, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-846-8951
Primary Part Number2518
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusCANCELLED
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Overall Diameter0.562 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.260 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3455-00-953-14592518-C INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
5950-01-174-5445 INTERCHANGEABLE
Transformer,radio Frequency
5340-01-686-922920-108-2 INTERCHANGEABLE
Band,retaining
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
523580-5 Instruments and Flight Research, Inc. (USA)
2518 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
201082 Richards Imagery Interpretation Systems, L.l.c. (USA)
YW-9 Roller Bearing Co of America, Inc Div Pic Design (USA)
9291163 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
2518C Dialight Corporation (USA)
2518 Dialight Corporation (USA)
DYW9 Allied Devices Corp Dba Absolute Precision Co (USA)
Related Parts
3455-00-953-1459INTERCHANGEABLE
FILE,ROTARY
2518-C
5950-01-174-5445INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5340-01-686-9229INTERCHANGEABLE
BAND,RETAINING
20-108-2

Frequently Asked Questions

What is NSN 5310-00-846-8951?

NSN 5310-00-846-8951 is a Washer,flat, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-846-8951?

NSN 5310-00-846-8951 has 8 cross-referenced part numbers: 523580-5 (Instruments and Flight Research, Inc.), 2518 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 201082 (Richards Imagery Interpretation Systems, L.l.c.), YW-9 (Roller Bearing Co of America, Inc Div Pic Design), 9291163 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate) and 3 more.

What NSN replaces 5310-00-846-8951?

There are 3 known substitutes for 5310-00-846-8951: 3455-00-953-1459, 5950-01-174-5445, 5340-01-686-9229. Verify interchangeability with system specifications before substitution.

What are the specifications of 2518?

Key specifications for 2518: Material: PLASTIC POLYAMIDE NYLON OVERALL; Overall Diameter: 0.562 INCHES NOMINAL IN; Thickness: 0.062 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-846-8951 still in active supply?

NSN 5310-00-846-8951 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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