PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JRC1900BAdapter,torque Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-373-5997 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-373-5997 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-373-5997. Primary manufacturer part number: JRC1900B.
Features
  • Adapter,torque Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Functional Description: USED TO REMOVE SHROUD SUPPORT FASTENERS
  • Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • 4 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,torque Wrench, cataloged under National Stock Number 5120-01-373-5997, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 6 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-373-5997
Primary Part NumberJRC1900B
Item NameAdapter,torque Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Functional DescriptionUSED TO REMOVE SHROUD SUPPORT FASTENERS
Wrenching Surface Size0.312 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
1240-00-025-0243415256PC2 INTERCHANGEABLE
Holder,optical Element
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-100-06011191868 INTERCHANGEABLE
Cup,tapered Roller Bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
4310-00-212-9805 INTERCHANGEABLE
Connecting Rod,piston
2010-00-213-0763CVB41S4302-2PC16 INTERCHANGEABLE
Bearing,stave Shaped
Naval Ship Systems Command
5950-00-993-9807 INTERCHANGEABLE
Transformer,power
5821-01-076-2493508313 INTERCHANGEABLE
Mask Assy,front
Airco Industries, Inc. Dba Photo Etch Div Photo Etch
5340-01-418-715330175 INTERCHANGEABLE
Bracket,angle
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
3040-01-530-064930175 INTERCHANGEABLE
Shaft,shouldered
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
30175 Granco Industries Inc (USA)
K1900 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
JRC1900B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
30175 PRIMARY Wta Tool Llc (USA)
Related Parts
1240-00-025-0243INTERCHANGEABLE
HOLDER,OPTICAL ELEMENT
415256PC2
3110-00-100-0601INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
1191868
4310-00-212-9805INTERCHANGEABLE
CONNECTING ROD,PISTON
2010-00-213-0763INTERCHANGEABLE
BEARING,STAVE SHAPED
CVB41S4302-2PC16
5950-00-993-9807INTERCHANGEABLE
TRANSFORMER,POWER
5821-01-076-2493INTERCHANGEABLE
MASK ASSY,FRONT
508313
5340-01-418-7153INTERCHANGEABLE
BRACKET,ANGLE
30175
3040-01-530-0649INTERCHANGEABLE
SHAFT,SHOULDERED
30175

Frequently Asked Questions

What is NSN 5120-01-373-5997?

NSN 5120-01-373-5997 is a Adapter,torque Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-373-5997?

NSN 5120-01-373-5997 has 4 cross-referenced part numbers: 30175 (Granco Industries Inc), K1900 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), JRC1900B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 30175 (Wta Tool Llc).

What NSN replaces 5120-01-373-5997?

There are 8 known substitutes for 5120-01-373-5997: 1240-00-025-0243, 3110-00-100-0601, 4310-00-212-9805 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JRC1900B?

Key specifications for JRC1900B: Drive End Shape: SQUARE SINGLE END INTERNAL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Functional Description: USED TO REMOVE SHROUD SUPPORT FASTENERS; Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN. 7 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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