NSN 5977-00-280-3706 · NIIN 002803706 · Part number 203902
Lockheed Martin Corporation Div Rms · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 03538
Government record, cited
NSN 5977-00-280-3706 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-280-3706. Manufacturer of record part number: 203902.
Also searched as5977-00-280-3706 ·
5977002803706 ·
NIIN 002803706 ·
00-280-3706 ·
FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 03538 · 203902 · 104600 · 20767 FOR 1-2X5-16BRUSH
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 203902
Manufacturer: Lockheed Martin Corporation Div Rms
General Description
The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-280-3706, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5977-00-280-3706
Primary Part Number
203902
Item Name
Holder,electrical Contact Brush
FSC / FSG
5977 / 59 — Electrical Contact Brushes and Electrodes
Manufacturer
Lockheed Martin Corporation Div Rms
Status
ACTIVE
Brush Spring Adjustability
ADJUSTABLE
Mounting Facility Quantity
1
Terminal Quantity
1
Inside Width
0.500 INCHES NOMINAL IN
Terminal Type
SCREW
Inside Length
0.250 INCHES NOMINAL IN
Overall Thickness
1.750 INCHES NOMINAL IN
Brush Quantity Accommodated Per Holder
1
Brush Pressure Spring Type Accommodated
HELICAL TORSION
Mounting Facility
SETSCREW
Inside Thickness
0.312 INCHES NOMINAL IN
Material
COPPER ALLOY BOX
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2810-00-474-2780104600POSSIBLE MATCH
GROMMET,PRIMER TUBE
Possible match (shared part number)Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5998-00-947-6466POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)
2915-01-072-7462104-600POSSIBLE MATCH
HOUSING ASSEMBLY,IMPELLER
Possible match (shared part number)Hamilton Sundstrand Corporation
2520-01-147-1098104600POSSIBLE MATCH
LOCKOUT ASSEMBLY BR
Possible match (shared part number)Dana Commercial Vehicle Products, Llc
5330-01-292-8726104600POSSIBLE MATCH
GASKET
Possible match (shared part number)Marine Electric Systems Inc
6695-01-316-685810-4600POSSIBLE MATCH
INDICATOR ASSEMBLY
Possible match (shared part number)L3 Technologies, Inc.
2010-01-411-7901104601POSSIBLE MATCH
NOZZLE,CENTRIFUGAL PUMP,MARINE P
Possible match (shared part number)Sewart Supply, L.l.c.
William S Guttenberg Dba Wilco Electric Company (USA)
Reference documents
Reference
Meaning
104600
5/9Secondary reference
Eastern Air Devices Inc Dba Ead Motors
Related Parts
2810-00-474-2780POSSIBLE MATCH
GROMMET,PRIMER TUBE
104600
5998-00-947-6466POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
2915-01-072-7462POSSIBLE MATCH
HOUSING ASSEMBLY,IMPELLER
104-600
2520-01-147-1098POSSIBLE MATCH
LOCKOUT ASSEMBLY BR
104600
5330-01-292-8726POSSIBLE MATCH
GASKET
104600
6695-01-316-6858POSSIBLE MATCH
INDICATOR ASSEMBLY
10-4600
2010-01-411-7901POSSIBLE MATCH
NOZZLE,CENTRIFUGAL PUMP,MARINE P
104601
Frequently Asked Questions
What is NSN 5977-00-280-3706?
NSN 5977-00-280-3706 is a Holder,electrical Contact Brush, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
What part numbers are listed for NSN 5977-00-280-3706?
NSN 5977-00-280-3706 has 2 manufacturer part numbers on file: 203902 (Lockheed Martin Corporation Div Rms), 20767 FOR 1-2X5-16BRUSH (William S Guttenberg Dba Wilco Electric Company).
What NSN replaces 5977-00-280-3706?
7 possible matches (shared part number, not a government interchangeability claim): 2810-00-474-2780, 5998-00-947-6466, 2915-01-072-7462. Verify interchangeability with system specifications before substitution.
What are the specifications of 203902?
Key specifications for 203902: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 1; Terminal Quantity: 1; Inside Width: 0.500 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
Is NSN 5977-00-280-3706 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.