PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4049-M07-F09Screw,externally Relieved Body

Unicorp. · NSN 5305-01-147-6719 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-147-6719 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-147-6719. Primary manufacturer part number: 4049-M07-F09.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Internal Drive Style: SLOT
  • Head Height: 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Externally Relieved Body Diameter Quantity: 1
  • Thread Class: 3A A
  • Fastener Length: 1.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-147-6719, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unicorp.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-147-6719
Primary Part Number4049-M07-F09
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUnicorp.
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleSLOT
Head Height0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Externally Relieved Body Diameter Quantity1
Thread Class3A A
Fastener Length1.500 INCHES NOMINAL IN
Thread Length0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Head Diameter0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
First Diameter From Head0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleFLAT CHAMFER
Distance From Largest Bearing Surface of Head to End of First Diameter0.995 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6645-00-225-26664049 INTERCHANGEABLE
Roller
Wakmann Watch Company Inc
5950-00-461-83054049 INTERCHANGEABLE
Transformer,power
Sartron, Inc
5999-00-468-32414049 INTERCHANGEABLE
Contact,electrical
Dynalec Corporation
6110-00-519-2369AN16KN0A INTERCHANGEABLE
Starter,motor
Eaton Corporation
5305-00-721-45894049 INTERCHANGEABLE
Thumbscrew
Roller Bearing Co of America, Inc Div Pic Design
4720-00-829-41324049 INTERCHANGEABLE
Hose Assembly,air Duct
Flexaust Inc
5962-01-022-6717 INTERCHANGEABLE
Microcircuit,digital
5330-01-265-0619 INTERCHANGEABLE
Tape,cloth,metal Seam Sealing
6240-01-267-9865 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
3168813-26 Zf Industrieantriebe Witten Gmbh (DEU)
3168813-0026 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
4049 Unicorp. (USA)
4049-M07-F09 PRIMARY Unicorp. (USA)
Related Parts
6645-00-225-2666INTERCHANGEABLE
ROLLER
4049
5950-00-461-8305INTERCHANGEABLE
TRANSFORMER,POWER
4049
5999-00-468-3241INTERCHANGEABLE
CONTACT,ELECTRICAL
4049
6110-00-519-2369INTERCHANGEABLE
STARTER,MOTOR
AN16KN0A
5305-00-721-4589INTERCHANGEABLE
THUMBSCREW
4049
4720-00-829-4132INTERCHANGEABLE
HOSE ASSEMBLY,AIR DUCT
4049
5962-01-022-6717INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5330-01-265-0619INTERCHANGEABLE
TAPE,CLOTH,METAL SEAM SEALING
6240-01-267-9865INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 5305-01-147-6719?

NSN 5305-01-147-6719 is a Screw,externally Relieved Body, manufactured by Unicorp., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-147-6719?

NSN 5305-01-147-6719 has 4 cross-referenced part numbers: 3168813-26 (Zf Industrieantriebe Witten Gmbh), 3168813-0026 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 4049 (Unicorp.), 4049-M07-F09 (Unicorp.).

What NSN replaces 5305-01-147-6719?

There are 9 known substitutes for 5305-01-147-6719: 6645-00-225-2666, 5950-00-461-8305, 5999-00-468-3241 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4049-M07-F09?

Key specifications for 4049-M07-F09: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Internal Drive Style: SLOT; Head Height: 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Thread Quantity Per Inch: 20. 15 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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