NSN 5977-00-666-0458 · NIIN 006660458 · Part number 212916PC3
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 10001
Government record, cited
NSN 5977-00-666-0458 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-666-0458. Manufacturer of record part number: 212916PC3.
Also searched as5977-00-666-0458 ·
5977006660458 ·
NIIN 006660458 ·
00-666-0458 ·
FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 10001 · 212916PC3 · 212916GP3
Precious Material and Weight: 0.040 SILVER GRAINS, TROY
Diameter: 4.125 INCHES NOMINAL IN
Surface Treatment: SILVER RING
Mounting Configuration: FOUR MTG HOLES,FOR NO. 4-40 SCREW,COUNTERSUNK,0.250 IN. DIA,0.188 IN. DEEP,SPACED 120 DEG APART ON 1.750 IN. RADIUS IN
Width: 0.219 INCHES NOMINAL IN
Identification
NSN: 5977-00-666-0458
NIIN: 006660458
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 212916PC3
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-666-0458, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5977-00-666-0458
Primary Part Number
212916PC3
Item Name
Ring Assembly,electrical Contact
FSC / FSG
5977 / 59 — Electrical Contact Brushes and Electrodes
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Status
ACTIVE
Overall Diameter
4.125 INCHES NOMINAL IN
Precious Material
SILVER
Precious Material and Weight
0.040 SILVER GRAINS, TROY
Diameter
4.125 INCHES NOMINAL IN
Surface Treatment
SILVER RING
Mounting Configuration
FOUR MTG HOLES,FOR NO. 4-40 SCREW,COUNTERSUNK,0.250 IN. DIA,0.188 IN. DEEP,SPACED 120 DEG APART ON 1.750 IN. RADIUS IN
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
No interchangeability data on file.
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 5977-00-666-0458?
NSN 5977-00-666-0458 is a Ring Assembly,electrical Contact, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
What part numbers are listed for NSN 5977-00-666-0458?
NSN 5977-00-666-0458 has 2 manufacturer part numbers on file: 212916PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 212916GP3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What are the specifications of 212916PC3?
Key specifications for 212916PC3: Overall Diameter: 4.125 INCHES NOMINAL IN; Precious Material: SILVER; Precious Material and Weight: 0.040 SILVER GRAINS, TROY; Diameter: 4.125 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5977-00-666-0458 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.