NSN 5977-00-503-7990 · NIIN 005037990 · Part number N681285-1
Raytheon Company Dba Raytheon Co · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 06845
Government record, cited
NSN 5977-00-503-7990 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-503-7990. Manufacturer of record part number: N681285-1.
Also searched as5977-00-503-7990 ·
5977005037990 ·
NIIN 005037990 ·
00-503-7990 ·
FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 06845 · N681285-1
Mounting Configuration: FOUR NO6 (0.138.) -32 NC 2 THREADED HOLES 0.750FROM CENTER LINEOF RING ASSAY 0.750IN. C TO C IN
Width: 0.156 INCHES NOMINAL IN
Special Markings: SIX CONDUCTOR ACCESS HOLES MARKED 1,2,3,MARKGSLIP RINGS AND WIRE LEADS NUMBERED 1 TO 7
Identification
NSN: 5977-00-503-7990
NIIN: 005037990
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: N681285-1
Manufacturer: Raytheon Company Dba Raytheon Co
General Description
The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-503-7990, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5977-00-503-7990
Primary Part Number
N681285-1
Item Name
Ring Assembly,electrical Contact
FSC / FSG
5977 / 59 — Electrical Contact Brushes and Electrodes
Manufacturer
Raytheon Company Dba Raytheon Co
Status
ACTIVE
FSC Application Data
RADAR SET,GROUND
Overall Diameter
6.880 INCHES NOMINAL IN
Diameter
5.875 INCHES NOMINAL IN
Surface Treatment
SILVER RING
Mounting Configuration
FOUR NO6 (0.138.) -32 NC 2 THREADED HOLES 0.750FROM CENTER LINEOF RING ASSAY 0.750IN. C TO C IN
Width
0.156 INCHES NOMINAL IN
Special Markings
SIX CONDUCTOR ACCESS HOLES MARKED 1,2,3,MARKGSLIP RINGS AND WIRE LEADS NUMBERED 1 TO 7
Other items in FSC 5977 — Electrical Contact Brushes and Electrodes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5977-00-001-8018
BRUSH,ELECTRICAL CONTACT
5977-00-001-8867
5977-00-001-8867 · Item name not on file
5977-00-002-9654
5977-00-002-9654 · Item name not on file
5977-00-003-0257
BRUSH SET,ELECTRICAL CONTACT
5977-00-003-0258
HOLDER,ELECTRICAL CONTACT BRUSH
5977-00-003-0264
5977-00-003-0264 · Item name not on file
5977-00-003-1196
ELECTRODE
5977-00-003-1197
5977-00-003-1197 · Item name not on file
Frequently Asked Questions
What is NSN 5977-00-503-7990?
NSN 5977-00-503-7990 is a Ring Assembly,electrical Contact, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
What part numbers are listed for NSN 5977-00-503-7990?
NSN 5977-00-503-7990 has 1 manufacturer part number on file: N681285-1 (Raytheon Company Dba Raytheon Co).
What are the specifications of N681285-1?
Key specifications for N681285-1: Overall Height: 2.310 INCHES NOMINAL IN; FSC Application Data: RADAR SET,GROUND; Overall Diameter: 6.880 INCHES NOMINAL IN; Diameter: 5.875 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5977-00-503-7990 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.