PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TT-1Screwdriver,torque

Apex Tool Group, Llc · NSN 5120-00-947-9959 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-947-9959 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-947-9959. Primary manufacturer part number: TT-1.
Features
  • Screwdriver,torque — FSC 5120
  • Torque Signal Method: AUDIBLE
  • Torque Capacity: 1.0 INCH-OUNCES MINIMUM AND 20.0 INCH-OUNCES MAXIMUM IN
  • Style Designator: MICROMETER END DRIVE
  • Furnished Items: THREADED LOCKING CHUCK DESIGNED TO ACCOMMODATE BITS W/STRAIGHT ROUND FLATTED SHANKS HAVING A MAX DIA OF 0.250 IN. IN
  • Drive End Shape: ROUND SINGLE END INTERNAL
  • 5 verified cross-references
  • Primary manufacturer: Apex Tool Group, Llc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Screwdriver,torque, cataloged under National Stock Number 5120-00-947-9959, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-947-9959
Primary Part NumberTT-1
Item NameScrewdriver,torque
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc
StatusCANCELLED
Torque Signal MethodAUDIBLE
Torque Capacity1.0 INCH-OUNCES MINIMUM AND 20.0 INCH-OUNCES MAXIMUM IN
Style DesignatorMICROMETER END DRIVE
Furnished ItemsTHREADED LOCKING CHUCK DESIGNED TO ACCOMMODATE BITS W/STRAIGHT ROUND FLATTED SHANKS HAVING A MAX DIA OF 0.250 IN. IN
Drive End ShapeROUND SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5120-00-113-3534 INTERCHANGEABLE
Screwdriver,torque
3040-00-168-0967TT1 INTERCHANGEABLE
Lining,friction
Circor Naval Solutions Llc Dba Warren Pumps
5120-00-596-1181 INTERCHANGEABLE
Screwdriver,torque
5120-00-890-7816DS1F75HM INTERCHANGEABLE
Screwdriver,torque
Precision Instruments Inc.
5120-00-896-3692 INTERCHANGEABLE
Screwdriver,torque
5120-01-016-9201 INTERCHANGEABLE
Screwdriver,torque
7350-01-209-2398A05 INTERCHANGEABLE
Dish,eating
Aladdin Industries Inc
5120-01-267-3060 INTERCHANGEABLE
Screwdriver,torque
5342-01-658-2369TT1 INTERCHANGEABLE
Gun Rack
All Rite Products Inc
Cross-Reference Index
Part NumberManufacturer
5120PL1196503 Jednolity Indeks Materialowy - Uniform Material Index (POL)
TT-1 Utica Tool Co Inc (USA)
MIL-W-26497 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TT-1 PRIMARY Apex Tool Group, Llc (USA)
TT1 Utica Utronics Inc (USA)
Related Parts
5120-00-113-3534INTERCHANGEABLE
SCREWDRIVER,TORQUE
3040-00-168-0967INTERCHANGEABLE
LINING,FRICTION
TT1
5120-00-596-1181INTERCHANGEABLE
SCREWDRIVER,TORQUE
5120-00-890-7816INTERCHANGEABLE
SCREWDRIVER,TORQUE
DS1F75HM
5120-00-896-3692INTERCHANGEABLE
SCREWDRIVER,TORQUE
5120-01-016-9201INTERCHANGEABLE
SCREWDRIVER,TORQUE
7350-01-209-2398INTERCHANGEABLE
DISH,EATING
A05
5120-01-267-3060INTERCHANGEABLE
SCREWDRIVER,TORQUE
5342-01-658-2369INTERCHANGEABLE
GUN RACK
TT1

Frequently Asked Questions

What is NSN 5120-00-947-9959?

NSN 5120-00-947-9959 is a Screwdriver,torque, manufactured by Apex Tool Group, Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-947-9959?

NSN 5120-00-947-9959 has 5 cross-referenced part numbers: 5120PL1196503 (Jednolity Indeks Materialowy - Uniform Material Index), TT-1 (Utica Tool Co Inc), MIL-W-26497 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TT-1 (Apex Tool Group, Llc), TT1 (Utica Utronics Inc).

What NSN replaces 5120-00-947-9959?

There are 9 known substitutes for 5120-00-947-9959: 5120-00-113-3534, 3040-00-168-0967, 5120-00-596-1181 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TT-1?

Key specifications for TT-1: Overall Length: 3.875 INCHES MINIMUM IN; Torque Signal Method: AUDIBLE; Torque Capacity: 1.0 INCH-OUNCES MINIMUM AND 20.0 INCH-OUNCES MAXIMUM IN; Style Designator: MICROMETER END DRIVE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-947-9959 still in active supply?

NSN 5120-00-947-9959 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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