PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63520Nut,adjusting

Briggs and Stratton Corp · NSN 2990-00-323-8946 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-323-8946 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-323-8946. Primary manufacturer part number: 63520.
Features
  • Nut,adjusting — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Briggs and Stratton Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,adjusting, cataloged under National Stock Number 2990-00-323-8946, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Briggs and Stratton Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameNut,adjusting
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersBriggs and Stratton Corp (CAGE 08645)
Technical Specifications
ParameterValue
NSN2990-00-323-8946
Primary Part Number63520
Item NameNut,adjusting
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-356-149063520 INTERCHANGEABLE
Gasket
Cummins Inc.
5660-01-038-1458 INTERCHANGEABLE
Rail End
5305-01-143-419563520 INTERCHANGEABLE
Screw
Naval Ship Systems Command
5305-01-572-8828 INTERCHANGEABLE
Screw,cap,sckt Hd,a
Cross-Reference Index
Part NumberManufacturer
63520 PRIMARY Briggs and Stratton Corp (USA)
Related Parts
5330-00-356-1490INTERCHANGEABLE
GASKET
63520
5660-01-038-1458INTERCHANGEABLE
RAIL END
5305-01-143-4195INTERCHANGEABLE
SCREW
63520
5305-01-572-8828INTERCHANGEABLE
SCREW,CAP,SCKT HD,A

Frequently Asked Questions

What is NSN 2990-00-323-8946?

NSN 2990-00-323-8946 is a Nut,adjusting, manufactured by Briggs and Stratton Corp, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-323-8946?

NSN 2990-00-323-8946 has 1 cross-referenced part number: 63520 (Briggs and Stratton Corp).

What NSN replaces 2990-00-323-8946?

There are 4 known substitutes for 2990-00-323-8946: 5330-00-356-1490, 5660-01-038-1458, 5305-01-143-4195 and 1 more. Verify interchangeability with system specifications before substitution.

Is NSN 2990-00-323-8946 still in active supply?

NSN 2990-00-323-8946 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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