PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AP40Spring,brush

Royal Electric Inc · NSN 5977-00-028-0078 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-028-0078 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-028-0078. Primary manufacturer part number: AP40.
Features
  • Spring,brush — FSC 5977
  • 1 verified cross-reference
  • Primary manufacturer: Royal Electric Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,brush, cataloged under National Stock Number 5977-00-028-0078, 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 Royal Electric Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring,brush
FSC / FSG5977 — No Item Name Available (FSG 59)
ManufacturersRoyal Electric Inc (CAGE 81848)
Technical Specifications
ParameterValue
NSN5977-00-028-0078
Primary Part NumberAP40
Item NameSpring,brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerRoyal Electric Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3030-00-115-0013 INTERCHANGEABLE
Belt,v
4931-00-434-8620 INTERCHANGEABLE
Module,fixture
3030-00-976-030042 122AB75 6 INTERCHANGEABLE
Belt,v
Applied Power Inc Power Packer
3455-01-005-48691725-0625 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5975-01-378-2160AP40 INTERCHANGEABLE
Plug,stuffing Tube
Parker-Hannifin Corporation Dba Pneutronics Div Instrumentation Products Division
Cross-Reference Index
Part NumberManufacturer
AP40 Royal Electric Inc (USA)
Related Parts
3030-00-115-0013INTERCHANGEABLE
BELT,V
4931-00-434-8620INTERCHANGEABLE
MODULE,FIXTURE
3030-00-976-0300INTERCHANGEABLE
BELT,V
42 122AB75 6
3455-01-005-4869INTERCHANGEABLE
CUTTER,MILLING,END
1725-0625
5975-01-378-2160INTERCHANGEABLE
PLUG,STUFFING TUBE
AP40

Frequently Asked Questions

What is NSN 5977-00-028-0078?

NSN 5977-00-028-0078 is a Spring,brush, manufactured by Royal Electric Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-028-0078?

NSN 5977-00-028-0078 has 1 cross-referenced part number: AP40 (Royal Electric Inc).

What NSN replaces 5977-00-028-0078?

There are 5 known substitutes for 5977-00-028-0078: 3030-00-115-0013, 4931-00-434-8620, 3030-00-976-0300 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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