PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

590A5Washer,finishing

United Air Filter, Inc. · NSN 5310-01-164-1147 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-164-1147 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-164-1147. Primary manufacturer part number: 590A5.
Features
  • Washer,finishing — FSC 5310
  • Hole Diameter: 0.140 INCHES NOMINAL IN
  • Surface Treatment: ZINC OR CADMIUM OVERALL
  • Style Designator: FINISHING
  • Material: STEEL OVERALL
  • Recess Angle: 120.0 DEGREES NOMINAL
  • Material Thickness: 0.0598 INCHES NOMINAL IN
  • Outside Diameter: 1.875 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,finishing, cataloged under National Stock Number 5310-01-164-1147, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is United Air Filter, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-01-164-1147
Primary Part Number590A5
Item NameWasher,finishing
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUnited Air Filter, Inc.
StatusACTIVE
Hole Diameter0.140 INCHES NOMINAL IN
Surface TreatmentZINC OR CADMIUM OVERALL
Style DesignatorFINISHING
MaterialSTEEL OVERALL
Recess Angle120.0 DEGREES NOMINAL
Material Thickness0.0598 INCHES NOMINAL IN
Outside Diameter1.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-186-895114073014 INTERCHANGEABLE
Clip,electrical
Entron Industries Limited Partnership Dba Entron Industries Property Div
5940-01-138-111710-107-1-04 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
590A5 United Air Filter, Inc. (USA)
2AG368 Oshkosh Defense Llc (USA)
2AG368 Oshkosh Corp (USA)
Related Parts
5999-00-186-8951INTERCHANGEABLE
CLIP,ELECTRICAL
14073014
5940-01-138-1117INTERCHANGEABLE
TERMINAL,STUD
10-107-1-04

Frequently Asked Questions

What is NSN 5310-01-164-1147?

NSN 5310-01-164-1147 is a Washer,finishing, manufactured by United Air Filter, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-164-1147?

NSN 5310-01-164-1147 has 3 cross-referenced part numbers: 590A5 (United Air Filter, Inc.), 2AG368 (Oshkosh Defense Llc), 2AG368 (Oshkosh Corp).

What NSN replaces 5310-01-164-1147?

There are 2 known substitutes for 5310-01-164-1147: 5999-00-186-8951, 5940-01-138-1117. Verify interchangeability with system specifications before substitution.

What are the specifications of 590A5?

Key specifications for 590A5: Hole Diameter: 0.140 INCHES NOMINAL IN; Surface Treatment: ZINC OR CADMIUM OVERALL; Style Designator: FINISHING; Material: STEEL OVERALL. 8 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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