PartsTable TECHNICAL DATA SHEET
NSN 5120-01-018-2903Government record, cited

Wire Unwrapping Tool5120-01-018-2903

NSN 5120-01-018-2903 · NIIN 010182903 · Part number AWM-51987
A.w. Mack Manufacturing Co., Inc. · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 32448
Government record, cited
NSN 5120-01-018-2903 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-018-2903. Manufacturer of record part number: AWM-51987.
Also searched as  5120-01-018-2903 · 5120010182903 · NIIN 010182903 · 01-018-2903 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 32448 · AWM-51987 · 511203 · 511203 · 511203
Nearby stock numbers  ·
Features
  • Wire Unwrapping Tool — FSC 5120
  • General Characteristics Item Description: FOR 26 TO 32 AWG WIRE; 0.036 IN. (0.91MM) TERMINAL HOLE DIA; 1 IN. (25.4MM) TERMINAL HOLE DEPTH; RIGHT AND LEFT HAND UNWRAPPING; DOUBLE ENDED; 3/4 IN. BIT LG; 5-3/4 IN. O/A LG MM
  • 1 manufacturer part number on file
  • Manufacturer of record: A.w. Mack Manufacturing Co., Inc.
Identification
  • NSN: 5120-01-018-2903
  • NIIN: 010182903
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: AWM-51987
  • Manufacturer: A.w. Mack Manufacturing Co., Inc.
General Description

The Wire Unwrapping Tool, cataloged under National Stock Number 5120-01-018-2903, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is A.w. Mack Manufacturing Co., Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-018-2903
Primary Part NumberAWM-51987
Item NameWire Unwrapping Tool
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerA.w. Mack Manufacturing Co., Inc.
StatusACTIVE
General Characteristics Item DescriptionFOR 26 TO 32 AWG WIRE; 0.036 IN. (0.91MM) TERMINAL HOLE DIA; 1 IN. (25.4MM) TERMINAL HOLE DEPTH; RIGHT AND LEFT HAND UNWRAPPING; DOUBLE ENDED; 3/4 IN. BIT LG; 5-3/4 IN. O/A LG MM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
AWM-51987 PRIMARY A.w. Mack Manufacturing Co., Inc. (USA)
Reference documents
ReferenceMeaning
511203 5/9 Secondary reference
Apex Tool Group, Llc
511203 5/9 Secondary reference
Cooper Industries Inc Dba Cooper Tools
511203 5/9 Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642
ADAPTER,TORQUE WRENCH
5120-00-001-2644
ADAPTER,TORQUE WRENCH
5120-00-001-2650
INSERTER,SEAL
5120-00-001-2651
5120-00-001-2651 · Item name not on file
5120-00-001-2652
INSTALLING TOOL,SHAFT
5120-00-001-2653
REMOVER,PREFORMED PACKING
5120-00-001-2654
REMOVER,PREFORMED PACKING
5120-00-001-2655
SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-01-018-2903?

NSN 5120-01-018-2903 is a Wire Unwrapping Tool, manufactured by A.w. Mack Manufacturing Co., Inc., classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-018-2903?

NSN 5120-01-018-2903 has 1 manufacturer part number on file: AWM-51987 (A.w. Mack Manufacturing Co., Inc.).

What are the specifications of AWM-51987?

Key specifications for AWM-51987: General Characteristics Item Description: FOR 26 TO 32 AWG WIRE; 0.036 IN. (0.91MM) TERMINAL HOLE DIA; 1 IN. (25.4MM) TERMINAL HOLE DEPTH; RIGHT AND LEFT HAND UNWRAPPING; DOUBLE ENDED; 3/4 IN. BIT LG; 5-3/4 IN. O/A LG MM. 1 specification is documented in the U.S. Government catalog.

Is NSN 5120-01-018-2903 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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