PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

AR56786Cap Assembly,protective,muffler-

Name: AR56786
SKU: 2990-00-102-0853

Deere & Company Dba Deere John Co · NSN 2990-00-102-0853 · FSC 2990 · No Item Name Available

Verified by PartsTable

NSN 2990-00-102-0853 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-102-0853. Primary manufacturer part number: AR56786.

2990-00-102-0853 — No Item Name Available illustration

Features

Cap Assembly,protective,muffler- — FSC 2990
5 verified cross-references
Primary manufacturer: Deere & Company Dba Deere John Co

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-102-0853, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Deere & Company Dba Deere John Co. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-00-102-0853
Primary Part Number	AR56786
Item Name	Cap Assembly,protective,muffler-
FSC / FSG	2990 / 29 — No Item Name Available
Manufacturer	Deere & Company Dba Deere John Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 6

3020-00-056-16191197109 INTERCHANGEABLE

Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

5950-01-122-7286984877-1B INTERCHANGEABLE

Transformer,power

Raytheon Company Dba Raytheon

5962-01-204-133141707 INTERCHANGEABLE

Microcircuit,memory

Raytheon Company Div Rmd Strategic

5305-01-371-716641707 INTERCHANGEABLE

Screw,shoulder

Jergens Inc Div Tooling Components Division

4820-01-376-3255 INTERCHANGEABLE

Stem,fluid Valve

3020-01-482-128741707 INTERCHANGEABLE

Gear,spur

Moog Inc. Dba Ampac-Isp Corp

Cross-Reference Index

Part Number	Manufacturer
AR56786 PRIMARY	Deere & Company Dba Deere John Co (USA)
AR41707	Deere & Co (USA)
AR56786	Deere & Co (USA)
77P375 PRIMARY	Mercury Products Corp (USA)
41707	Deere & Co (USA)

Related Parts

3020-00-056-1619INTERCHANGEABLE

GEAR,SPUR

1197109

5950-01-122-7286INTERCHANGEABLE

TRANSFORMER,POWER

984877-1B

5962-01-204-1331INTERCHANGEABLE

MICROCIRCUIT,MEMORY

41707

5305-01-371-7166INTERCHANGEABLE

SCREW,SHOULDER

41707

4820-01-376-3255INTERCHANGEABLE

STEM,FLUID VALVE

3020-01-482-1287INTERCHANGEABLE

GEAR,SPUR

41707

Frequently Asked Questions

What is NSN 2990-00-102-0853?

NSN 2990-00-102-0853 is a Cap Assembly,protective,muffler-, manufactured by Deere & Company Dba Deere John Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-102-0853?

NSN 2990-00-102-0853 has 5 cross-referenced part numbers: AR56786 (Deere & Company Dba Deere John Co), AR41707 (Deere & Co), AR56786 (Deere & Co), 77P375 (Mercury Products Corp), 41707 (Deere & Co).

What NSN replaces 2990-00-102-0853?

There are 6 known substitutes for 2990-00-102-0853: 3020-00-056-1619, 5950-01-122-7286, 5962-01-204-1331 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AR56786?

Key specifications for AR56786: End Item Identification: 3805-00-283-2749. 1 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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