PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33012Washer,flat

Fastenal Company Div Bind · NSN 5310-01-425-3058 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-425-3058 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-425-3058. Primary manufacturer part number: 33012.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.109 INCHES NOMINAL IN
  • Hole Diameter: 0.562 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Overall Diameter: 1.375 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-425-3058, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Div Bind. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-425-3058
Primary Part Number33012
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Div Bind
StatusACTIVE
Thickness0.109 INCHES NOMINAL IN
Hole Diameter0.562 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Overall Diameter1.375 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-176-8087 INTERCHANGEABLE
Nut,plain,castellated,hexagon
5935-00-201-897336-012 INTERCHANGEABLE
Plug,tip
Gc/waldom Inc
3120-00-516-767810A820148 INTERCHANGEABLE
Bearing,sleeve
Fwd Seagrave Holdings Lp
5330-00-599-66245166864 INTERCHANGEABLE
Packing,preformed
Rolls-Royce Solutions America Inc
5905-00-978-1010 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
4820-01-117-468833012 INTERCHANGEABLE
Seat,valve
Vogt Valves, Inc. Dba Vogt Valves Inc
6515-01-164-2853330-12 INTERCHANGEABLE
Drainage System Sup
Dow Silicones Corporation
3020-01-234-3542 INTERCHANGEABLE
Gear,spur
5310-01-503-87728307206 INTERCHANGEABLE
Washer,flat,1.2in
Jlg Industries, Inc.
3110-01-505-129033012 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
33012 PRIMARY Fastenal Company Div Bind (USA)
Related Parts
5310-00-176-8087INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
5935-00-201-8973INTERCHANGEABLE
PLUG,TIP
36-012
3120-00-516-7678INTERCHANGEABLE
BEARING,SLEEVE
10A820148
5330-00-599-6624INTERCHANGEABLE
PACKING,PREFORMED
5166864
5905-00-978-1010INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
4820-01-117-4688INTERCHANGEABLE
SEAT,VALVE
33012
6515-01-164-2853INTERCHANGEABLE
DRAINAGE SYSTEM SUP
330-12
3020-01-234-3542INTERCHANGEABLE
GEAR,SPUR
5310-01-503-8772INTERCHANGEABLE
WASHER,FLAT,1.2IN
8307206
3110-01-505-1290INTERCHANGEABLE
BEARING,ROLLER,TAPERED
33012
2590-01-508-3479INTERCHANGEABLE
VALVE,CONTROL,AIR HORN
032243

Frequently Asked Questions

What is NSN 5310-01-425-3058?

NSN 5310-01-425-3058 is a Washer,flat, manufactured by Fastenal Company Div Bind, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-425-3058?

NSN 5310-01-425-3058 has 1 cross-referenced part number: 33012 (Fastenal Company Div Bind).

What NSN replaces 5310-01-425-3058?

There are 11 known substitutes for 5310-01-425-3058: 5310-00-176-8087, 5935-00-201-8973, 3120-00-516-7678 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33012?

Key specifications for 33012: Thickness: 0.109 INCHES NOMINAL IN; Hole Diameter: 0.562 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; 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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