PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-530ABrush,electrical Contact

Chicago Hardware Foundry Co Inc · NSN 5977-00-739-7036 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-739-7036 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-739-7036. Primary manufacturer part number: 12-530A.
Features
  • Brush,electrical Contact — FSC 5977
  • Spring Free Length: 1.562 INCHES NOMINAL IN
  • Radius: 0.484 INCHES NOMINAL IN
  • Width: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Shunt Position Designator: 5
  • Material: CARBON
  • Style Designator: ONE PIECE
  • Material Document and Classification: SANI-DRI CORP GRADE 621 MFR REF SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-739-7036, 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 Chicago Hardware Foundry Co Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-739-7036
Primary Part Number12-530A
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerChicago Hardware Foundry Co Inc
StatusACTIVE
Spring Free Length1.562 INCHES NOMINAL IN
Radius0.484 INCHES NOMINAL IN
Width0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Shunt Position Designator5
MaterialCARBON
Style DesignatorONE PIECE
Material Document and ClassificationSANI-DRI CORP GRADE 621 MFR REF SINGLE MATERIAL RESPONSE
Pressure Spring Type and Quantity1 CYLINDRICAL
Contact Face StyleCONCAVE
Shunt Insulation Provision and Quantity1 UNINSULATED
Terminal Type and Quantity1 ROUND CAP
Terminal Diameter0.367 INCHES NOMINAL IN
Thickness0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Body StyleRECTANGULAR
Largest Outside Diameter0.239 INCHES NOMINAL IN
Length0.718 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-189-226312530 INTERCHANGEABLE
Switch,waveguide
Mercury Commercial Electronics, Inc. Dba Micronetics
5330-00-292-163121015 INTERCHANGEABLE
Seal,plain Encased
Tulsa Winch, Inc.
5330-00-297-625312530 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5905-00-330-4374267619 INTERCHANGEABLE
Resistance Element
Cae Usa Inc.
5950-00-421-909070096 INTERCHANGEABLE
Transformer,pulse
Vanguard Electronics, Llc
3120-00-661-474112530 INTERCHANGEABLE
Bearing,washer,thrust
Jay Bee Machine Works, Inc
2520-00-737-49031268842 INTERCHANGEABLE
Power Take Off
Chrysler Realty Company Llc Dba Daimler Chrysler
2910-01-054-6990 INTERCHANGEABLE
Filter Element,fluid
5930-01-153-2304123919LB INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
5360-01-229-783312530A INTERCHANGEABLE
Spring,helical,compression
Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
Cross-Reference Index
Part NumberManufacturer
12-530A Chicago Hardware Foundry Co Inc (USA)
12-530 Sani-Dri Corp Div of Beatrice Foods Co (USA)
Related Parts
5985-00-189-2263INTERCHANGEABLE
SWITCH,WAVEGUIDE
12530
5330-00-292-1631INTERCHANGEABLE
SEAL,PLAIN ENCASED
21015
5330-00-297-6253INTERCHANGEABLE
SEAL,PLAIN ENCASED
12530
5905-00-330-4374INTERCHANGEABLE
RESISTANCE ELEMENT
267619
5950-00-421-9090INTERCHANGEABLE
TRANSFORMER,PULSE
70096
3120-00-661-4741INTERCHANGEABLE
BEARING,WASHER,THRUST
12530
2520-00-737-4903INTERCHANGEABLE
POWER TAKE OFF
1268842
2910-01-054-6990INTERCHANGEABLE
FILTER ELEMENT,FLUID
5930-01-153-2304INTERCHANGEABLE
SWITCH,ROTARY
123919LB
5360-01-229-7833INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12530A
2520-01-323-8734INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
6750-01-427-0968INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5977-00-739-7036?

NSN 5977-00-739-7036 is a Brush,electrical Contact, manufactured by Chicago Hardware Foundry Co Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-739-7036?

NSN 5977-00-739-7036 has 2 cross-referenced part numbers: 12-530A (Chicago Hardware Foundry Co Inc), 12-530 (Sani-Dri Corp Div of Beatrice Foods Co).

What NSN replaces 5977-00-739-7036?

There are 12 known substitutes for 5977-00-739-7036: 5985-00-189-2263, 5330-00-292-1631, 5330-00-297-6253 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-530A?

Key specifications for 12-530A: Spring Free Length: 1.562 INCHES NOMINAL IN; Radius: 0.484 INCHES NOMINAL IN; Width: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Shunt Position Designator: 5. 16 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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