PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34-1-28Screw,instrument

United Instruments Inc. · NSN 5305-01-507-4673 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-507-4673 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-507-4673. Primary manufacturer part number: 34-1-28.
Features
  • Screw,instrument — FSC 5305
  • Head Style: FLAT FILLISTER
  • Internal Drive Style: SLOT
  • Thread Direction: RIGHT-HAND
  • 1 verified cross-reference
  • Primary manufacturer: United Instruments Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,instrument, cataloged under National Stock Number 5305-01-507-4673, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is United Instruments Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-507-4673
Primary Part Number34-1-28
Item NameScrew,instrument
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUnited Instruments Inc.
StatusACTIVE
Head StyleFLAT FILLISTER
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6130-00-838-038434128 INTERCHANGEABLE
Power Supply
Andrew Llc
5940-00-892-787434128 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3020-01-573-187834128 INTERCHANGEABLE
Sprocket Wheel
Toastmaster Inc
Cross-Reference Index
Part NumberManufacturer
34-1-28 PRIMARY United Instruments Inc. (USA)
Related Parts
6130-00-838-0384INTERCHANGEABLE
POWER SUPPLY
34128
5940-00-892-7874INTERCHANGEABLE
TERMINAL,LUG
34128
3020-01-573-1878INTERCHANGEABLE
SPROCKET WHEEL
34128

Frequently Asked Questions

What is NSN 5305-01-507-4673?

NSN 5305-01-507-4673 is a Screw,instrument, manufactured by United Instruments Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-507-4673?

NSN 5305-01-507-4673 has 1 cross-referenced part number: 34-1-28 (United Instruments Inc.).

What NSN replaces 5305-01-507-4673?

There are 3 known substitutes for 5305-01-507-4673: 6130-00-838-0384, 5940-00-892-7874, 3020-01-573-1878. Verify interchangeability with system specifications before substitution.

What are the specifications of 34-1-28?

Key specifications for 34-1-28: Head Style: FLAT FILLISTER; Internal Drive Style: SLOT; Thread Direction: RIGHT-HAND; End Item Identification: MODEL 5035 ENCODING ALTIMETER ON THE C-215 AIRCRAFT. 4 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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