NSN 5820-01-658-3072 · NIIN 016583072 · Part number E248580-1
Lockheed Martin Sippican, Inc. Div Communication Division · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 13030
Government record, cited
NSN 5820-01-658-3072 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-658-3072. Manufacturer of record part number: E248580-1.
Also searched as5820-01-658-3072 ·
5820016583072 ·
NIIN 016583072 ·
01-658-3072 ·
FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 13030 · E248580-1
Nearby stock numbers← 5820-01-658-2948 Panel, Signal Distribution, Radio
·
5820-01-658-3649 Camera, Television →
Features
Heatsink,assembly — FSC 5820
3 manufacturer part numbers on file
Manufacturer of record: Lockheed Martin Sippican, Inc. Div Communication Division
Identification
NSN: 5820-01-658-3072
NIIN: 016583072
FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: E248580-1
Manufacturer: Lockheed Martin Sippican, Inc. Div Communication Division
General Description
The Heatsink,assembly, cataloged under National Stock Number 5820-01-658-3072, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Communication Division. The record lists 3 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
5820-01-658-3072
Primary Part Number
E248580-1
Item Name
Heatsink,assembly
FSC / FSG
5820 / 58 — Radio and Television Communication Equipment, Except Airborne
Manufacturer
Lockheed Martin Sippican, Inc. Div Communication Division
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5820 — Radio and Television Communication Equipment, Except Airborne
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5820-00-000-0978
5820-00-000-0978 · Item name not on file
5820-00-001-1375
5820-00-001-1375 · Item name not on file
5820-00-001-1379
INSTALLATION KIT,ELECTRONIC EQUI
5820-00-001-1387
5820-00-001-1387 · Item name not on file
5820-00-001-2529
5820-00-001-2529 · Item name not on file
5820-00-001-2530
5820-00-001-2530 · Item name not on file
5820-00-001-2531
5820-00-001-2531 · Item name not on file
5820-00-001-2532
5820-00-001-2532 · Item name not on file
Frequently Asked Questions
What is NSN 5820-01-658-3072?
NSN 5820-01-658-3072 is a Heatsink,assembly, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5820-01-658-3072?
NSN 5820-01-658-3072 has 3 manufacturer part numbers on file: E248580-1 (Lockheed Martin Sippican, Inc. Div Communication Division), E248580-1 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion), E248580-1 (Sippican/gsm Submarine Antenna Joint Venture, L.l.c.).
What are the specifications of E248580-1?
Key specifications for E248580-1: End Item Identification: AS-4674/U, ANTENNA ASSEMBLY, RADOME. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5820-01-658-3072 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.