PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100398Jaw,vise,hand

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5120-01-623-5128 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-623-5128 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-623-5128. Primary manufacturer part number: 100398.
Features
  • Jaw,vise,hand — FSC 5120
  • Supplementary Features: APPLICATION: REMOVAL/INSTALLATION OF CYLINDER VALVE
  • 2 verified cross-references
  • Primary manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Jaw,vise,hand, cataloged under National Stock Number 5120-01-623-5128, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-623-5128
Primary Part Number100398
Item NameJaw,vise,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Supplementary FeaturesAPPLICATION: REMOVAL/INSTALLATION OF CYLINDER VALVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4210-00-114-444500039810 INTERCHANGEABLE
Lever,range Selector,bumper Turr
Kidde Fire Fighting, Inc. Div National Foam
5945-00-191-5137101-1208-2 INTERCHANGEABLE
Relay,electromagnetic
Behlman Electronics, Inc
5961-00-400-4111 INTERCHANGEABLE
Semiconductor Device,diode
5340-00-900-8653100398 INTERCHANGEABLE
Clamp,bridge
Allianz Sweeper Company
2540-00-934-1939100398 INTERCHANGEABLE
Pedal Assembly
Cadillac Gage Textron Inc.
3460-01-626-2826100398 INTERCHANGEABLE
Insert Set,jaw Clamp
Aqua Lung Co Ltd
Cross-Reference Index
Part NumberManufacturer
100398 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
100398 PRIMARY Aqualung Usa, Inc (USA)
Related Parts
4210-00-114-4445INTERCHANGEABLE
LEVER,RANGE SELECTOR,BUMPER TURR
00039810
5945-00-191-5137INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
101-1208-2
5961-00-400-4111INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5340-00-900-8653INTERCHANGEABLE
CLAMP,BRIDGE
100398
2540-00-934-1939INTERCHANGEABLE
PEDAL ASSEMBLY
100398
3460-01-626-2826INTERCHANGEABLE
INSERT SET,JAW CLAMP
100398

Frequently Asked Questions

What is NSN 5120-01-623-5128?

NSN 5120-01-623-5128 is a Jaw,vise,hand, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-623-5128?

NSN 5120-01-623-5128 has 2 cross-referenced part numbers: 100398 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 100398 (Aqualung Usa, Inc).

What NSN replaces 5120-01-623-5128?

There are 6 known substitutes for 5120-01-623-5128: 4210-00-114-4445, 5945-00-191-5137, 5961-00-400-4111 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100398?

Key specifications for 100398: End Item Identification: CSAV/COMBAT SWIMMER ASSAULT VEST; Special Features: INSERT, TOOL VISE JAWS; Part Name Assigned by Controlling Agency: VISE INSERT ADAPTER; Supplementary Features: APPLICATION: REMOVAL/INSTALLATION OF CYLINDER VALVE. 4 total characteristics are documented in the Federal Logistics Information System.

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