NSN 5977-00-503-9511 · NIIN 005039511 · Part number 188284
Lockheed Martin Corporation Div Rms - Mitchel Field · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 56232
Government record, cited
NSN 5977-00-503-9511 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-503-9511. Manufacturer of record part number: 188284.
Also searched as5977-00-503-9511 ·
5977005039511 ·
NIIN 005039511 ·
00-503-9511 ·
FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 56232 · 188284
Manufacturer of record: Lockheed Martin Corporation Div Rms - Mitchel Field
Identification
NSN: 5977-00-503-9511
NIIN: 005039511
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 188284
Manufacturer: Lockheed Martin Corporation Div Rms - Mitchel Field
General Description
The Ring,electrical Contact, cataloged under National Stock Number 5977-00-503-9511, 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 - Mitchel Field. Government technical data includes 4 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
5977-00-503-9511
Primary Part Number
188284
Item Name
Ring,electrical Contact
FSC / FSG
5977 / 59 — Electrical Contact Brushes and Electrodes
Manufacturer
Lockheed Martin Corporation Div Rms - Mitchel Field
Lockheed Martin Corporation Div Rms - Mitchel Field (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 5977-00-503-9511?
NSN 5977-00-503-9511 is a Ring,electrical Contact, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
What part numbers are listed for NSN 5977-00-503-9511?
NSN 5977-00-503-9511 has 1 manufacturer part number on file: 188284 (Lockheed Martin Corporation Div Rms - Mitchel Field).
What are the specifications of 188284?
Key specifications for 188284: Overall Diameter: 3.188 INCHES NOMINAL IN; Precious Material: SILVER; Shape: CYLINDRICAL; Special Features: 0.234 IN.THK;LEAD MARKED T-1, LEAD 4.563 IN. LG IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5977-00-503-9511 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.