PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

20RPliers,chain Wrench

Name: 20R
SKU: 5120-00-889-2050

Petersen Mfg Co Inc · NSN 5120-00-889-2050 · FSC 5120 · No Item Name Available

Verified by PartsTable

NSN 5120-00-889-2050 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-889-2050. Primary manufacturer part number: 20R.

5120-00-889-2050 — No Item Name Available illustration

Features

Pliers,chain Wrench — FSC 5120
Supplementary Features: 19 INCH NOMINAL IN
1 verified cross-reference
Primary manufacturer: Petersen Mfg Co Inc

Applications

Field maintenance and repair
Facility maintenance operations
General-purpose hand tools

General Description

The Pliers,chain Wrench, cataloged under National Stock Number 5120-00-889-2050, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Petersen Mfg Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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

Parameter	Value
NSN	5120-00-889-2050
Primary Part Number	20R
Item Name	Pliers,chain Wrench
FSC / FSG	5120 / 51 — No Item Name Available
Manufacturer	Petersen Mfg Co Inc
Status	ACTIVE
Supplementary Features	19 INCH NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 8

2640-00-158-5617938-696 INTERCHANGEABLE

Flap,inner Tube,pneumatic Tire

Specialty Tires & Wheels

4510-01-027-4739 INTERCHANGEABLE

Valve,float,water Closet Tank

4820-01-118-8490 INTERCHANGEABLE

Cap,valve

3040-01-294-863620-R INTERCHANGEABLE

Shaft,shouldered

Thermal Engineering Co a Div of Sea Kay Co Inc

5120-01-431-626120R INTERCHANGEABLE

Clamp,plier

Stanley Tools Div of Stanley Works

9905-01-461-775320-R INTERCHANGEABLE

Reflector,indicating,clearance

J. W. Speaker Corporation Dba Jw Speaker Corp

4320-01-664-118820RSB INTERCHANGEABLE

Pump Unit,centrifugal

Itt Rule Industries Inc Danforth Div

4820-01-690-1047 INTERCHANGEABLE

Cap,valve

Cross-Reference Index

Part Number	Manufacturer
20R PRIMARY	Petersen Mfg Co Inc (USA)

Related Parts

2640-00-158-5617INTERCHANGEABLE

FLAP,INNER TUBE,PNEUMATIC TIRE

938-696

4510-01-027-4739INTERCHANGEABLE

VALVE,FLOAT,WATER CLOSET TANK

4820-01-118-8490INTERCHANGEABLE

CAP,VALVE

3040-01-294-8636INTERCHANGEABLE

SHAFT,SHOULDERED

20-R

5120-01-431-6261INTERCHANGEABLE

CLAMP,PLIER

20R

9905-01-461-7753INTERCHANGEABLE

REFLECTOR,INDICATING,CLEARANCE

20-R

4320-01-664-1188INTERCHANGEABLE

PUMP UNIT,CENTRIFUGAL

20RSB

4820-01-690-1047INTERCHANGEABLE

CAP,VALVE

Frequently Asked Questions

What is NSN 5120-00-889-2050?

NSN 5120-00-889-2050 is a Pliers,chain Wrench, manufactured by Petersen Mfg Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-889-2050?

NSN 5120-00-889-2050 has 1 cross-referenced part number: 20R (Petersen Mfg Co Inc).

What NSN replaces 5120-00-889-2050?

There are 8 known substitutes for 5120-00-889-2050: 2640-00-158-5617, 4510-01-027-4739, 4820-01-118-8490 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20R?

Key specifications for 20R: Special Features: LOCKING CHAIN CLAMP; 18 IN. EFFECTIVE LENGTH IN; Supplementary Features: 19 INCH NOMINAL IN. 2 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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