PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48312Brush,electrical Contact

Honeywell International Inc. Div Aerospace - Torrance · NSN 5977-00-636-3991 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-636-3991 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-636-3991. Primary manufacturer part number: 48312.
Features
  • Brush,electrical Contact — FSC 5977
  • Brush Shunt Length: 1.800 INCHES MINIMUM AND 1.830 INCHES MAXIMUM ALL SHUNTS IN
  • Material Document and Classification: CARBONE GRADE L-560 MFR REF SINGLE MATERIAL RESPONSE
  • Top Style: FLAT
  • Terminal Type and Quantity: 2 STRAIGHT W/HOLE
  • Shunt Insulation Provision and Quantity: 2 UNINSULATED
  • Contact Face Style: CONCAVE ON BEVEL
  • Material: ELECTROGRAPHITIC
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-636-3991, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-636-3991
Primary Part Number48312
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusCANCELLED
Brush Shunt Length1.800 INCHES MINIMUM AND 1.830 INCHES MAXIMUM ALL SHUNTS IN
Material Document and ClassificationCARBONE GRADE L-560 MFR REF SINGLE MATERIAL RESPONSE
Top StyleFLAT
Terminal Type and Quantity2 STRAIGHT W/HOLE
Shunt Insulation Provision and Quantity2 UNINSULATED
Contact Face StyleCONCAVE ON BEVEL
MaterialELECTROGRAPHITIC
Style DesignatorPAIRED
Body StyleRECTANGULAR COMMUTATOR
Thickness0.218 INCHES NOMINAL IN
Width0.687 INCHES NOMINAL IN
Shunt Position Designator7 AND 8
Length0.594 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4320-00-209-1477 INTERCHANGEABLE
Piston,pump
4330-00-740-2568 INTERCHANGEABLE
Parts Kit,fluid Pressure Filter
2915-00-765-488848312 INTERCHANGEABLE
Plate,thrust,impeller
Triumph Engine Control Systems Llc
3220-00-833-5378H4 INTERCHANGEABLE
Sawing Machine,wood
Safety Speed Cut Manufacturing Company, Inc.
4820-00-923-6830 INTERCHANGEABLE
Valve,diaphragm,stop
5995-01-041-213648312 INTERCHANGEABLE
Lead,electrical
James a. Staley Co., Inc. Dba James a Staley Co
4210-01-125-3956 INTERCHANGEABLE
Truck,fire Fighting
5930-01-326-6555P17 INTERCHANGEABLE
Switch,toggle
Star Mfg Intl Toastwell
5440-01-656-2424P-17 INTERCHANGEABLE
Ladder,extension
Carbis Ladders Div of Carbis Sales Inc
Cross-Reference Index
Part NumberManufacturer
48312 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
P-17 PRIMARY Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp (USA)
BR17 Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology (USA)
Related Parts
4320-00-209-1477INTERCHANGEABLE
PISTON,PUMP
4330-00-740-2568INTERCHANGEABLE
PARTS KIT,FLUID PRESSURE FILTER
2915-00-765-4888INTERCHANGEABLE
PLATE,THRUST,IMPELLER
48312
3220-00-833-5378INTERCHANGEABLE
SAWING MACHINE,WOOD
H4
4820-00-923-6830INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
5995-01-041-2136INTERCHANGEABLE
LEAD,ELECTRICAL
48312
4210-01-125-3956INTERCHANGEABLE
TRUCK,FIRE FIGHTING
5930-01-326-6555INTERCHANGEABLE
SWITCH,TOGGLE
P17
5440-01-656-2424INTERCHANGEABLE
LADDER,EXTENSION
P-17

Frequently Asked Questions

What is NSN 5977-00-636-3991?

NSN 5977-00-636-3991 is a Brush,electrical Contact, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-636-3991?

NSN 5977-00-636-3991 has 3 cross-referenced part numbers: 48312 (Honeywell International Inc. Div Aerospace - Torrance), P-17 (Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp), BR17 (Morgan Advanced Materials and Technology, Inc. Dba Morgan Advanced Materials and Technology).

What NSN replaces 5977-00-636-3991?

There are 9 known substitutes for 5977-00-636-3991: 4320-00-209-1477, 4330-00-740-2568, 2915-00-765-4888 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 48312?

Key specifications for 48312: Brush Shunt Length: 1.800 INCHES MINIMUM AND 1.830 INCHES MAXIMUM ALL SHUNTS IN; Material Document and Classification: CARBONE GRADE L-560 MFR REF SINGLE MATERIAL RESPONSE; Top Style: FLAT; Terminal Type and Quantity: 2 STRAIGHT W/HOLE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-636-3991 still in active supply?

NSN 5977-00-636-3991 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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