NSN 1680-01-620-7037 · NIIN 016207037 · Part number 123SME90021-21
Northrop Grumman Systems Corporation · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 79RG9
Government record, cited
NSN 1680-01-620-7037 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-620-7037. Manufacturer of record part number: 123SME90021-21.
Also searched as1680-01-620-7037 ·
1680016207037 ·
NIIN 016207037 ·
01-620-7037 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 79RG9 · 123SME90021-21
Nearby stock numbers← 1680-01-620-6955 Case Assembly
·
1680-01-620-7040 Case Assembly →
Features
Case Assembly — FSC 1680
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 1680-01-620-7037
NIIN: 016207037
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 123SME90021-21
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Case Assembly, cataloged under National Stock Number 1680-01-620-7037, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1680-01-620-7037
Primary Part Number
123SME90021-21
Item Name
Case Assembly
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-620-7037?
NSN 1680-01-620-7037 is a Case Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-620-7037?
NSN 1680-01-620-7037 has 1 manufacturer part number on file: 123SME90021-21 (Northrop Grumman Systems Corporation).
What are the specifications of 123SME90021-21?
Key specifications for 123SME90021-21: Part Name Assigned by Controlling Agency: CASE ASSEMBLY 1; End Item Identification: E2-D ADVANCED HAWKEYE TACTICAL EARLY WARNING ROTODOME. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1680-01-620-7037 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.