PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HT3305MScrewdriver Attachment,socket Wr

Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing · NSN 5120-00-315-4005 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-315-4005 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-315-4005. Primary manufacturer part number: HT3305M.
Features
  • Screwdriver Attachment,socket Wr — FSC 5120
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Tip Size Designation: 5
  • Wrenching Surface Shape: HIGH TORQUE SINGLE END EXTERNAL
  • Surface Treatment: OXIDE OVERALL
  • 6 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-00-315-4005, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5120-00-315-4005
Primary Part NumberHT3305M
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
Outside Diameter0.750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Tip Size Designation5
Wrenching Surface ShapeHIGH TORQUE SINGLE END EXTERNAL
Surface TreatmentOXIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-797-2992HTS-2 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Omega Technologies, Inc Dba Omega Technologies Inc
5120-00-797-2994HTS-4 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
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
5120-00-863-4942HTS-5 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
5120-00-863-4943HTS-4A INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
5120-00-863-4944HTS-3 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Omega Technologies, Inc Dba Omega Technologies Inc
5120-00-863-4945 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
5120-00-903-8938HTS-1 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing
5120-00-937-8481HTS10 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Hi-Shear Corporation
Cross-Reference Index
Part NumberManufacturer
HT3305M PRIMARY Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing (USA)
HT3305M Hi-Shear Corporation (USA)
HT3305M Fairchild Fasteners Europe - Vsd Gmbh (DEU)
MIL-B-9946/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-9946 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5120-00-315-4005 Raybar Corp Bar-Es Div (USA)
Related Parts
5120-00-797-2992INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-2
5120-00-797-2994INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-4
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
5120-00-863-4944INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-3
5120-00-863-4945INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5120-00-903-8938INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS-1
5120-00-937-8481INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
HTS10
5130-00-996-0901INTERCHANGEABLE
BIT,SCREWDRIVER
I-440-3
5130-00-996-0911INTERCHANGEABLE
BIT,SCREWDRIVER
440-2X

Frequently Asked Questions

What is NSN 5120-00-315-4005?

NSN 5120-00-315-4005 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 5120-00-315-4005?

NSN 5120-00-315-4005 has 6 cross-referenced part numbers: HT3305M (Keltek Specialty Tool Design & Manufacture, Inc. Dba Keltek Specialty Tool Design & Manufacturing), HT3305M (Hi-Shear Corporation), HT3305M (Fairchild Fasteners Europe - Vsd Gmbh), MIL-B-9946/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-9946 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5120-00-315-4005?

There are 12 known substitutes for 5120-00-315-4005: 5120-00-797-2992, 5120-00-797-2994, 5120-00-863-4940 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HT3305M?

Key specifications for HT3305M: Outside Diameter: 0.750 INCHES NOMINAL IN; Material: STEEL OVERALL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Tip Size Designation: 5. 8 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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