PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15-21-79KBlade,saddler's Harness Awl

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 5120-00-243-2561 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-243-2561 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-243-2561. Primary manufacturer part number: 15-21-79K.
Features
  • Blade,saddler's Harness Awl — FSC 5120
  • General Characteristics Item Description: 2 IN. LG IN
  • Departure From Cited Document: AS MOD BY GGG-A-891 PARA 3.11.3.4 BLADE
  • 2 verified cross-references
  • Primary manufacturer: Army, United States Department of the Dba Rock Island Arsenal Jmtc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Blade,saddler's Harness Awl, cataloged under National Stock Number 5120-00-243-2561, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 2 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-243-2561
Primary Part Number15-21-79K
Item NameBlade,saddler's Harness Awl
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusCANCELLED
General Characteristics Item Description2 IN. LG IN
Departure From Cited DocumentAS MOD BY GGG-A-891 PARA 3.11.3.4 BLADE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-221-1439 INTERCHANGEABLE
Awl,belt
5120-00-221-1440 INTERCHANGEABLE
Awl,brad
5120-00-221-15395120-00-221-1539 INTERCHANGEABLE
Awl,brad
General Services Administration Federal Supply Service
5120-00-221-15405120-00-221-1540 INTERCHANGEABLE
Awl,brad
General Services Administration Federal Supply Service
5120-00-221-15415120-00-221-1541 INTERCHANGEABLE
Awl,saddler's Sewing
General Services Administration Federal Supply Service
5120-00-221-15425904846 INTERCHANGEABLE
Awl,scratch
Hamilton Sundstrand Corporation
5120-00-223-81915120-00-223-8191 INTERCHANGEABLE
Awl,saddler's Pad
General Services Administration Federal Supply Service
5120-00-243-2558 INTERCHANGEABLE
Blade,saddler's Harness Awl
5120-00-243-2559 INTERCHANGEABLE
Blade,saddler's Harness Awl
5120-00-257-55415120-00-257-5541 INTERCHANGEABLE
Awl,saddler's Sewing
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
15-21-79K Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
GGG-A-891 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5120-00-221-1439INTERCHANGEABLE
AWL,BELT
5120-00-221-1440INTERCHANGEABLE
AWL,BRAD
5120-00-221-1539INTERCHANGEABLE
AWL,BRAD
5120-00-221-1539
5120-00-221-1540INTERCHANGEABLE
AWL,BRAD
5120-00-221-1540
5120-00-221-1541INTERCHANGEABLE
AWL,SADDLER'S SEWING
5120-00-221-1541
5120-00-221-1542INTERCHANGEABLE
AWL,SCRATCH
5904846
5120-00-223-8191INTERCHANGEABLE
AWL,SADDLER'S PAD
5120-00-223-8191
5120-00-243-2558INTERCHANGEABLE
BLADE,SADDLER'S HARNESS AWL
5120-00-243-2559INTERCHANGEABLE
BLADE,SADDLER'S HARNESS AWL
5120-00-257-5541INTERCHANGEABLE
AWL,SADDLER'S SEWING
5120-00-257-5541
5120-00-293-2423INTERCHANGEABLE
HAFT,SADDLER'S AWL
5120-00-516-4230INTERCHANGEABLE
NEEDLE,SADDLER'S SEWING AWL
31-3

Frequently Asked Questions

What is NSN 5120-00-243-2561?

NSN 5120-00-243-2561 is a Blade,saddler's Harness Awl, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-243-2561?

NSN 5120-00-243-2561 has 2 cross-referenced part numbers: 15-21-79K (Army, United States Department of the Dba Rock Island Arsenal Jmtc), GGG-A-891 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5120-00-243-2561?

There are 12 known substitutes for 5120-00-243-2561: 5120-00-221-1439, 5120-00-221-1440, 5120-00-221-1539 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15-21-79K?

Key specifications for 15-21-79K: General Characteristics Item Description: 2 IN. LG IN; Departure From Cited Document: AS MOD BY GGG-A-891 PARA 3.11.3.4 BLADE. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-243-2561 still in active supply?

NSN 5120-00-243-2561 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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