PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP7143Screw,machine

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5305-00-276-1497 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-276-1497 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-276-1497. Primary manufacturer part number: SP7143.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.320 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Head Style: FLAT CHAMFER
  • Screw Material Document and Classification: QQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Thread Class: 2A A
  • Head Height: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-276-1497, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-276-1497
Primary Part NumberSP7143
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread Length0.320 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Head StyleFLAT CHAMFER
Screw Material Document and ClassificationQQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
Thread Class2A A
Head Height0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Head Diameter0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.190 INCHES IN
Internal Drive StyleSLOT
Fastener Length0.320 INCHES NOMINAL IN
Screw MaterialCOPPER ALLOY 482
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5975-00-280-9215LMF90-75 INTERCHANGEABLE
Elbow,electrical Conduit
Egs Electrical Group Appleton Div
Cross-Reference Index
Part NumberManufacturer
SP7143 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5975-00-280-9215INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
LMF90-75

Frequently Asked Questions

What is NSN 5305-00-276-1497?

NSN 5305-00-276-1497 is a Screw,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-276-1497?

NSN 5305-00-276-1497 has 1 cross-referenced part number: SP7143 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5305-00-276-1497?

There is 1 known substitute for 5305-00-276-1497: 5975-00-280-9215. Verify interchangeability with system specifications before substitution.

What are the specifications of SP7143?

Key specifications for SP7143: Thread Length: 0.320 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Head Style: FLAT CHAMFER; Screw Material Document and Classification: QQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE. 13 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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