NSN 5977-01-515-9240 · NIIN 015159240 · Part number 256990-2
L3harris Technologies, Inc Div Space & Airborne Systems · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 24930
Government record, cited
NSN 5977-01-515-9240 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-515-9240. Manufacturer of record part number: 256990-2.
Also searched as5977-01-515-9240 ·
5977015159240 ·
NIIN 015159240 ·
01-515-9240 ·
FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 24930 · 256990-2
Manufacturer of record: L3harris Technologies, Inc Div Space & Airborne Systems
Identification
NSN: 5977-01-515-9240
NIIN: 015159240
FSC: 5977 — Electrical Contact Brushes and Electrodes
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 256990-2
Manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
General Description
The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-515-9240, 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 L3harris Technologies, Inc Div Space & Airborne Systems. 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
5977-01-515-9240
Primary Part Number
256990-2
Item Name
Ring Assembly,electrical Contact
FSC / FSG
5977 / 59 — Electrical Contact Brushes and Electrodes
Manufacturer
L3harris Technologies, Inc Div Space & Airborne Systems
L3harris Technologies, Inc Div Space & Airborne Systems (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 5977-01-515-9240?
NSN 5977-01-515-9240 is a Ring Assembly,electrical Contact, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
What part numbers are listed for NSN 5977-01-515-9240?
NSN 5977-01-515-9240 has 1 manufacturer part number on file: 256990-2 (L3harris Technologies, Inc Div Space & Airborne Systems).
What are the specifications of 256990-2?
Key specifications for 256990-2: Overall Height: 4.430 INCHES NOMINAL IN; Precious Material: SILVER; Diameter: 7.500 INCHES NOMINAL IN; Overall Length: 10.250 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5977-01-515-9240 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.