PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AWM-51771Wire Unwrapping Tool

A.w. Mack Manufacturing Co., Inc. · NSN 5120-00-871-5882 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-871-5882 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-871-5882. Primary manufacturer part number: AWM-51771.
Features
  • Wire Unwrapping Tool — FSC 5120
  • General Characteristics Item Description: FOR 26 TO 32 AWG WIRE; 0.040 IN. (1.02MM) TERMINAL HOLE DIA; 1 IN. TERMINAL HOLE DEPTH; DUAL RIGHT AND LEFT UNWRAPPING; 4-1/4 IN. HANDLE LG; 3/4 IN. BIT LENGTHS MM
  • 12 verified cross-references
  • Primary manufacturer: A.w. Mack Manufacturing Co., Inc.
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
General Description

The Wire Unwrapping Tool, cataloged under National Stock Number 5120-00-871-5882, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is A.w. Mack Manufacturing Co., Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-871-5882
Primary Part NumberAWM-51771
Item NameWire Unwrapping Tool
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerA.w. Mack Manufacturing Co., Inc.
StatusCANCELLED
General Characteristics Item DescriptionFOR 26 TO 32 AWG WIRE; 0.040 IN. (1.02MM) TERMINAL HOLE DIA; 1 IN. TERMINAL HOLE DEPTH; DUAL RIGHT AND LEFT UNWRAPPING; 4-1/4 IN. HANDLE LG; 3/4 IN. BIT LENGTHS MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-103-63162027-3 INTERCHANGEABLE
Tuner,radio Frequency
Drs Signal Solutions, Inc.
5961-00-175-8467 INTERCHANGEABLE
Semiconductor Device,diode
4730-00-202-7453 INTERCHANGEABLE
Adapter,straight,tube to Hose
5915-00-234-4286 INTERCHANGEABLE
Filter,radio Frequency Interfere
5940-00-617-691110-301-3-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
6220-00-725-689320273 INTERCHANGEABLE
Spotlight
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5360-00-872-5060 INTERCHANGEABLE
Spring
5940-01-044-8536505244 INTERCHANGEABLE
Terminal,lug
Aimtron Systems, Llc
4820-01-064-78612027303E0215 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3040-01-158-96862027-3 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
Cross-Reference Index
Part NumberManufacturer
505244 Apex Tool Group (USA)
600051-01 Edo (USA)
505244-475 Cooper Industries Inc Dba Cooper Tools (USA)
505244 Apex Tool Group, Llc (USA)
AWM-51771 PRIMARY A.w. Mack Manufacturing Co., Inc. (USA)
505244 Cooper Industries Inc Dba Cooper Tools (USA)
7902130-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
722683-001 Raytheon Company Div Rmd Strategic (USA)
505244 Gte Communication Systems Corp (USA)
50001986-1 Bureau De Gestion Otan Hawk (FRA)
2316808P2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
20273 Ostby Barton Test Probes Division Dba Everett Charles Technologies (USA)
Related Parts
6625-00-103-6316INTERCHANGEABLE
TUNER,RADIO FREQUENCY
2027-3
5961-00-175-8467INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4730-00-202-7453INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5915-00-234-4286INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5940-00-617-6911INTERCHANGEABLE
TERMINAL,STUD
10-301-3-01
6220-00-725-6893INTERCHANGEABLE
SPOTLIGHT
20273
5360-00-872-5060INTERCHANGEABLE
SPRING
5940-01-044-8536INTERCHANGEABLE
TERMINAL,LUG
505244
4820-01-064-7861INTERCHANGEABLE
VALVE,SAFETY RELIEF
2027303E0215
3040-01-158-9686INTERCHANGEABLE
CONNECTING LINK,RIGID
2027-3
5962-01-169-6658INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2520-01-210-2820INTERCHANGEABLE
CLUTCH,SLIDING SLEEVE,VEHICULAR
20273

Frequently Asked Questions

What is NSN 5120-00-871-5882?

NSN 5120-00-871-5882 is a Wire Unwrapping Tool, manufactured by A.w. Mack Manufacturing Co., Inc., classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-871-5882?

NSN 5120-00-871-5882 has 12 cross-referenced part numbers: 505244 (Apex Tool Group), 600051-01 (Edo), 505244-475 (Cooper Industries Inc Dba Cooper Tools), 505244 (Apex Tool Group, Llc), AWM-51771 (A.w. Mack Manufacturing Co., Inc.) and 7 more.

What NSN replaces 5120-00-871-5882?

There are 12 known substitutes for 5120-00-871-5882: 6625-00-103-6316, 5961-00-175-8467, 4730-00-202-7453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AWM-51771?

Key specifications for AWM-51771: General Characteristics Item Description: FOR 26 TO 32 AWG WIRE; 0.040 IN. (1.02MM) TERMINAL HOLE DIA; 1 IN. TERMINAL HOLE DEPTH; DUAL RIGHT AND LEFT UNWRAPPING; 4-1/4 IN. HANDLE LG; 3/4 IN. BIT LENGTHS MM. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-871-5882 still in active supply?

NSN 5120-00-871-5882 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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