PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F1530Nut,plain,octagon

Eaton Corp · NSN 5310-00-353-2173 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-353-2173 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-353-2173. Primary manufacturer part number: F1530.
Features
  • Nut,plain,octagon — FSC 5310
  • Material: STEEL COMP 1020 OVERALL
  • Nut Style: PLAIN, OCTAGON
  • Nominal Thread Size: 2.625 INCHES IN
  • Thread Series: UN
  • Thread Class: 3B
  • Thread Quantity Per Inch: 16
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Nut,plain,octagon, cataloged under National Stock Number 5310-00-353-2173, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-353-2173
Primary Part NumberF1530
Item NameNut,plain,octagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Corp
StatusCANCELLED
MaterialSTEEL COMP 1020 OVERALL
Nut StylePLAIN, OCTAGON
Nominal Thread Size2.625 INCHES IN
Thread SeriesUN
Thread Class3B
Thread Quantity Per Inch16
Bearing Surface TypeCHAMFERED OR WASHER FACED
Hardness Rating65.0 ROCKWELL C MINIMUM AND 68.0 ROCKWELL C MAXIMUM
Width Across Flats3.219 INCHES MINIMUM AND 3.266 INCHES MAXIMUM IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nut Height0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5977-00-296-5343 INTERCHANGEABLE
Brush,electrical Contact
Cross-Reference Index
Part NumberManufacturer
F1530 Eaton Corp (USA)
Related Parts
5977-00-296-5343INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT

Frequently Asked Questions

What is NSN 5310-00-353-2173?

NSN 5310-00-353-2173 is a Nut,plain,octagon, manufactured by Eaton Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-353-2173?

NSN 5310-00-353-2173 has 1 cross-referenced part number: F1530 (Eaton Corp).

What NSN replaces 5310-00-353-2173?

There is 1 known substitute for 5310-00-353-2173: 5977-00-296-5343. Verify interchangeability with system specifications before substitution.

What are the specifications of F1530?

Key specifications for F1530: Material: STEEL COMP 1020 OVERALL; Nut Style: PLAIN, OCTAGON; Nominal Thread Size: 2.625 INCHES IN; Thread Series: UN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-353-2173 still in active supply?

NSN 5310-00-353-2173 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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