PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71007Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-598-5521 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-598-5521 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-598-5521. Primary manufacturer part number: 71007.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL CORROSION RESISTING OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.032 INCHES NOMINAL IN
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.174 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-598-5521, 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 Dba Fastenal Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-598-5521
Primary Part Number71007
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Center Hole Shape StyleROUND
Thickness0.032 INCHES NOMINAL IN
Overall Diameter0.375 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.174 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-020315636 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5970-00-235-66297461112PT23 INTERCHANGEABLE
Insulator,standoff
General Electric Company
6680-01-214-578971007 INTERCHANGEABLE
Indicator,sight,liquid
M D Holdings Llc Dba Saniserv
3040-01-309-31347100-7 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5945-01-535-696175362 INTERCHANGEABLE
Relay,electromagnetic
Applied Companies
Cross-Reference Index
Part NumberManufacturer
71007 PRIMARY Fastenal Company Dba Fastenal Co (USA)
12759-01335 PRIMARY Fastenal Company Dba Fastenal Co (USA)
71007 Wells Technology, Inc. (USA)
Related Parts
3110-00-100-0203INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
15636
5970-00-235-6629INTERCHANGEABLE
INSULATOR,STANDOFF
7461112PT23
6680-01-214-5789INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
71007
3040-01-309-3134INTERCHANGEABLE
CONNECTING LINK,RIGID
7100-7
5945-01-535-6961INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
75362

Frequently Asked Questions

What is NSN 5310-01-598-5521?

NSN 5310-01-598-5521 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-598-5521?

NSN 5310-01-598-5521 has 3 cross-referenced part numbers: 71007 (Fastenal Company Dba Fastenal Co), 12759-01335 (Fastenal Company Dba Fastenal Co), 71007 (Wells Technology, Inc.).

What NSN replaces 5310-01-598-5521?

There are 5 known substitutes for 5310-01-598-5521: 3110-00-100-0203, 5970-00-235-6629, 6680-01-214-5789 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71007?

Key specifications for 71007: Material: STEEL CORROSION RESISTING OVERALL; Special Features: GRADE: 18-8; Center Hole Shape Style: ROUND; Thickness: 0.032 INCHES NOMINAL IN. 10 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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