PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HTS-4Screwdriver Attachment,socket Wr

Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing · NSN 5120-00-797-2994 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-797-2994 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-797-2994. Primary manufacturer part number: HTS-4.
Features
  • Screwdriver Attachment,socket Wr — FSC 5120
  • Wrenching Surface Shape: HIGH TORQUE SINGLE END EXTERNAL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Style Designator: HI-TORQUE
  • Tip Size Designation: 4
  • Surface Treatment: OXIDE OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-00-797-2994, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-797-2994
Primary Part NumberHTS-4
Item NameScrewdriver Attachment,socket Wr
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerKeltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
StatusACTIVE
Wrenching Surface ShapeHIGH TORQUE SINGLE END EXTERNAL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Style DesignatorHI-TORQUE
Tip Size Designation4
Surface TreatmentOXIDE OVERALL
Features ProvidedMANUAL TOOL
Outside Diameter0.500 INCHES NOMINAL IN
Torque Capacity250.0 INCH-POUNDS NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-044-17185120-00-044-1718 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
General Services Administration Federal Supply Service
5120-00-203-67815120-00-203-6781 INTERCHANGEABLE
Holder,screwdriver Bit
General Services Administration Federal Supply Service
5120-00-236-2264 INTERCHANGEABLE
Socket,socket Wrench
5950-00-251-120124A31248 INTERCHANGEABLE
Coil,radio Frequency
General Dynamics Mission Systems, Inc. Dba Gdms
5120-00-315-4005HT3305M INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
5120-00-331-5502PD5120-00-331-5502 INTERCHANGEABLE
Holder,screwdriver Bit
General Services Administration Federal Supply Service
5120-00-528-28925120-00-528-2892 INTERCHANGEABLE
Holder,screwdriver Bit
General Services Administration Federal Supply Service
5120-00-797-2992HTS-2 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Omega Technologies, Inc Dba Omega Technologies Inc
5120-00-863-4940HTS-7 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
5120-00-863-49415120-00-863-4941 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
HTS4 Hi-Shear Corporation (USA)
DEFSTAN51-11PT26 Ministry of Defence, Directorate of Standardization, Stan 1, (GBR)
HTS4 Satair A/s (DNK)
1-00HTS04 Stenzel Gmbh (DEU)
HTS-4 Apex Tool Group, Llc (USA)
10160647 Nimikkeistokeskus Ncb Finland (FIN)
HTS-4 PRIMARY Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing (USA)
MIL-B-9946 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-9946/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HTS4 Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN)
HTS4 Fairchild Fasteners Europe - Vsd Gmbh (DEU)
HTS-4 Durston Manufacturing Company Dba Vim Tools (USA)
HTS4 Tecnotec Sarl (FRA)
H7042 Ministry of Defence, Directorate of Standardization, Stan 1, (GBR)
Related Parts
5120-00-044-1718INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5120-00-044-1718
5120-00-203-6781INTERCHANGEABLE
HOLDER,SCREWDRIVER BIT
5120-00-203-6781
5120-00-236-2264INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-00-251-1201INTERCHANGEABLE
COIL,RADIO FREQUENCY
24A31248
5120-00-315-4005INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HT3305M
5120-00-331-5502INTERCHANGEABLE
HOLDER,SCREWDRIVER BIT
PD5120-00-331-5502
5120-00-528-2892INTERCHANGEABLE
HOLDER,SCREWDRIVER BIT
5120-00-528-2892
5120-00-797-2992INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-2
5120-00-863-4940INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-7
5120-00-863-4941INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5120-00-863-4941
5120-00-863-4942INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-5
5120-00-863-4943INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-4A

Frequently Asked Questions

What is NSN 5120-00-797-2994?

NSN 5120-00-797-2994 is a Screwdriver Attachment,socket Wr, manufactured by Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-797-2994?

NSN 5120-00-797-2994 has 14 cross-referenced part numbers: HTS4 (Hi-Shear Corporation), DEFSTAN51-11PT26 (Ministry of Defence, Directorate of Standardization, Stan 1,), HTS4 (Satair A/s), 1-00HTS04 (Stenzel Gmbh), HTS-4 (Apex Tool Group, Llc) and 9 more.

What NSN replaces 5120-00-797-2994?

There are 12 known substitutes for 5120-00-797-2994: 5120-00-044-1718, 5120-00-203-6781, 5120-00-236-2264 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HTS-4?

Key specifications for HTS-4: Wrenching Surface Shape: HIGH TORQUE SINGLE END EXTERNAL; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 11 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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