PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A904EHolder,electrical Contact Brush

Schulze Mfg., Inc. · NSN 5977-00-406-2121 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-406-2121 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-406-2121. Primary manufacturer part number: A904E.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Top Thread Location: INTERNAL
  • 2 verified cross-references
  • Primary manufacturer: Schulze Mfg., Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-406-2121, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Schulze Mfg., Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Active.

Technical Specifications
ParameterValue
NSN5977-00-406-2121
Primary Part NumberA904E
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerSchulze Mfg., Inc.
StatusACTIVE
Top Thread LocationINTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-737-11097371109 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
3030-00-890-4922 INTERCHANGEABLE
Belts,v,matched Set
5950-01-088-827222916 INTERCHANGEABLE
Transformer,power
L3 Technologies, Inc. Div L3harris Edo Western Corporation
6105-01-166-1847 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
A-904 Schulze Mfg., Inc. (USA)
A904E PRIMARY Schulze Mfg., Inc. (USA)
Related Parts
5330-00-737-1109INTERCHANGEABLE
GASKET
7371109
3030-00-890-4922INTERCHANGEABLE
BELTS,V,MATCHED SET
5950-01-088-8272INTERCHANGEABLE
TRANSFORMER,POWER
22916
6105-01-166-1847INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 5977-00-406-2121?

NSN 5977-00-406-2121 is a Holder,electrical Contact Brush, manufactured by Schulze Mfg., Inc., classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-406-2121?

NSN 5977-00-406-2121 has 2 cross-referenced part numbers: A-904 (Schulze Mfg., Inc.), A904E (Schulze Mfg., Inc.).

What NSN replaces 5977-00-406-2121?

There are 4 known substitutes for 5977-00-406-2121: 5330-00-737-1109, 3030-00-890-4922, 5950-01-088-8272 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A904E?

Key specifications for A904E: Top Thread Location: INTERNAL. 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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