PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

118-397Arm,bottom Up and Down Assembly

Data General Corporation · NSN 7021-01-075-7497 · FSC 7021 · Computer,digital
Verified by PartsTable
NSN 7021-01-075-7497 — this item is cataloged by the U.S. Government under National Stock Number 7021-01-075-7497. Primary manufacturer part number: 118-397.
Features
  • Arm,bottom Up and Down Assembly — FSC 7021
  • FSC Application Data: DIGITAL COMPUTER
  • 4 verified cross-references
  • Primary manufacturer: Data General Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Arm,bottom Up and Down Assembly, cataloged under National Stock Number 7021-01-075-7497, is classified within Federal Supply Class 7021 (Computer,digital) of the General Purpose ADP Equipment group. The primary manufacturer of record is Data General Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN7021-01-075-7497
Primary Part Number118-397
Item NameArm,bottom Up and Down Assembly
FSC / FSG7021 / 70 — Computer,digital
ManufacturerData General Corporation
StatusCANCELLED
FSC Application DataDIGITAL COMPUTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3940-00-043-0132A250-1 INTERCHANGEABLE
Block,tackle
Marathonnorco Aerospace, Inc.
3120-00-287-7683AA2501 INTERCHANGEABLE
Bearing,sleeve
Beemer Precision Inc
5315-00-291-5471 INTERCHANGEABLE
Pin,spring
5330-00-454-9277 INTERCHANGEABLE
Gasket Set
4010-00-769-8432A2501 INTERCHANGEABLE
Chain,weldless
Am General Llc
5999-00-985-08700N097118-1 INTERCHANGEABLE
Handle
National Security Agency
4820-01-122-1782118.000.397 INTERCHANGEABLE
Parts Kit,ball Valve
Wilo Usa Llc
6130-01-236-6319 INTERCHANGEABLE
Adapter,power Supply
5999-01-381-0303A2501 INTERCHANGEABLE
Light-Switch Assembly
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
7690-01-500-0915A-2501 INTERCHANGEABLE
Decal
Textron Aviation Inc
Cross-Reference Index
Part NumberManufacturer
118-397 PRIMARY Data General Corporation (USA)
A2501 Magnusonic Devices Inc (USA)
ERW323201-1 Atomica Corp Dba Sb Tool & Manufacturing (USA)
118-000397 PRIMARY Data General Corporation (USA)
Related Parts
3940-00-043-0132INTERCHANGEABLE
BLOCK,TACKLE
A250-1
3120-00-287-7683INTERCHANGEABLE
BEARING,SLEEVE
AA2501
5315-00-291-5471INTERCHANGEABLE
PIN,SPRING
5330-00-454-9277INTERCHANGEABLE
GASKET SET
4010-00-769-8432INTERCHANGEABLE
CHAIN,WELDLESS
A2501
5999-00-985-0870INTERCHANGEABLE
HANDLE
0N097118-1
4820-01-122-1782INTERCHANGEABLE
PARTS KIT,BALL VALVE
118.000.397
6130-01-236-6319INTERCHANGEABLE
ADAPTER,POWER SUPPLY
5999-01-381-0303INTERCHANGEABLE
LIGHT-SWITCH ASSEMBLY
A2501
7690-01-500-0915INTERCHANGEABLE
DECAL
A-2501

Frequently Asked Questions

What is NSN 7021-01-075-7497?

NSN 7021-01-075-7497 is a Arm,bottom Up and Down Assembly, manufactured by Data General Corporation, classified under FSC 7021 (Computer,digital). Status: cancelled.

What are the part numbers for NSN 7021-01-075-7497?

NSN 7021-01-075-7497 has 4 cross-referenced part numbers: 118-397 (Data General Corporation), A2501 (Magnusonic Devices Inc), ERW323201-1 (Atomica Corp Dba Sb Tool & Manufacturing), 118-000397 (Data General Corporation).

What NSN replaces 7021-01-075-7497?

There are 10 known substitutes for 7021-01-075-7497: 3940-00-043-0132, 3120-00-287-7683, 5315-00-291-5471 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 118-397?

Key specifications for 118-397: End Item Identification: NOVA 3-D DIGITAL COMPUTER,DATA GENERAL CORP; FSC Application Data: DIGITAL COMPUTER. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 7021-01-075-7497 still in active supply?

NSN 7021-01-075-7497 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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