PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3379581-1Holder,electrical Contact Brush

Hatch & Kirk, Inc. · NSN 5977-00-038-0944 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-038-0944 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-038-0944. Primary manufacturer part number: 3379581-1.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Inside Length: 0.750 INCHES NOMINAL IN
  • Mounting Facility: UNTHREADED HOLES
  • Brush Quantity Accommodated Per Holder: 2
  • Mounting Facility Quantity: 2
  • Inside Thickness: 0.625 INCHES NOMINAL IN
  • Brush Pressure Spring Type Accommodated: HELICAL TORSION
  • Terminal Type: THREADED HOLE
Applications
  • Applications requiring Steel Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-038-0944, 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 Hatch & Kirk, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
ParameterValue
NSN5977-00-038-0944
Primary Part Number3379581-1
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHatch & Kirk, Inc.
StatusACTIVE
Inside Length0.750 INCHES NOMINAL IN
Mounting FacilityUNTHREADED HOLES
Brush Quantity Accommodated Per Holder2
Mounting Facility Quantity2
Inside Thickness0.625 INCHES NOMINAL IN
Brush Pressure Spring Type AccommodatedHELICAL TORSION
Terminal TypeTHREADED HOLE
Overall Thickness2.125 INCHES NOMINAL IN
Style DesignatorRECTANGLE PARALLEL
Brush Spring AdjustabilityADJUSTABLE
Inside Width0.812 INCHES NOMINAL IN
Terminal Quantity3
MaterialSTEEL BOX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-187-36350184-11 INTERCHANGEABLE
Packing,preformed
Lockheed Martin Corporation Div Rms - Mitchel Field
5905-00-523-5841507272-4 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Honeywell International Inc Dba Honeywell
5305-00-801-5747MS35308-364 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2915-01-250-869226945 INTERCHANGEABLE
Filter,fluid
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
6520-01-367-77352694 INTERCHANGEABLE
Sealant Kit,dental,pit and Fissu
Dentsply Sirona Inc. Dba Dentsply Professional Div Dentsply Professional/preventive
8120-01-680-307426945 INTERCHANGEABLE
Cylinder,compressed Gas
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
3379581 General Motors Corp Electro-Motive Div (USA)
3379581-1 PRIMARY Hatch & Kirk, Inc. (USA)
26945 Prestolite Electric Inc (USA)
LN26945 Prestolite Electric Inc (USA)
3379581 Hatch & Kirk, Inc. (USA)
S26945 Prestolite Electric Inc (USA)
Related Parts
5330-00-187-3635INTERCHANGEABLE
PACKING,PREFORMED
0184-11
5905-00-523-5841INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
507272-4
5305-00-801-5747INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35308-364
2915-01-250-8692INTERCHANGEABLE
FILTER,FLUID
26945
6520-01-367-7735INTERCHANGEABLE
SEALANT KIT,DENTAL,PIT AND FISSU
2694
8120-01-680-3074INTERCHANGEABLE
CYLINDER,COMPRESSED GAS
26945

Frequently Asked Questions

What is NSN 5977-00-038-0944?

NSN 5977-00-038-0944 is a Holder,electrical Contact Brush, manufactured by Hatch & Kirk, Inc., classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-038-0944?

NSN 5977-00-038-0944 has 6 cross-referenced part numbers: 3379581 (General Motors Corp Electro-Motive Div), 3379581-1 (Hatch & Kirk, Inc.), 26945 (Prestolite Electric Inc), LN26945 (Prestolite Electric Inc), 3379581 (Hatch & Kirk, Inc.) and 1 more.

What NSN replaces 5977-00-038-0944?

There are 6 known substitutes for 5977-00-038-0944: 5330-00-187-3635, 5905-00-523-5841, 5305-00-801-5747 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3379581-1?

Key specifications for 3379581-1: Inside Length: 0.750 INCHES NOMINAL IN; Mounting Facility: UNTHREADED HOLES; Brush Quantity Accommodated Per Holder: 2; Mounting Facility Quantity: 2. 15 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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