NSN 4940-00-489-9955 · NIIN 004899955 · Part number 188F789
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · FSC 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 05606
Government record, cited
NSN 4940-00-489-9955 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-489-9955. Manufacturer of record part number: 188F789.
Also searched as4940-00-489-9955 ·
4940004899955 ·
NIIN 004899955 ·
00-489-9955 ·
FSC 4940 Miscellaneous Maintenance and Repair Shop Specialized Equipment · CAGE 05606 · 188F789
Test Item Connection Method: ADAPTER/PIN TUBE SOCKET
Reference Data and Literature: TO 1C-119G-4 G
1 manufacturer part number on file
Manufacturer of record: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Identification
NSN: 4940-00-489-9955
NIIN: 004899955
FSC: 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 188F789
Manufacturer: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
General Description
The Adapter,test, cataloged under National Stock Number 4940-00-489-9955, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 2 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.
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
No interchangeability data on file.
Other items in FSC 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4940-00-001-1283 · Item name not on file
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4940-00-001-1286 · Item name not on file
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4940-00-001-5394 · Item name not on file
4940-00-001-6355
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DEGREASER
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4940-00-003-1045 · Item name not on file
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4940-00-003-1047 · Item name not on file
4940-00-003-1050
4940-00-003-1050 · Item name not on file
Frequently Asked Questions
What is NSN 4940-00-489-9955?
NSN 4940-00-489-9955 is a Adapter,test, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4940-00-489-9955?
NSN 4940-00-489-9955 has 1 manufacturer part number on file: 188F789 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
What are the specifications of 188F789?
Key specifications for 188F789: Test Item Connection Method: ADAPTER/PIN TUBE SOCKET; Reference Data and Literature: TO 1C-119G-4 G; Part Name Assigned by Controlling Agency: TEST UNIT ADAPTER; End Item Identification: C-119 AIRCRAFT 20MM GUN SYSTEM MM. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4940-00-489-9955 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.