PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51958-80Screw,machine

Insitu, Inc. · NSN 5305-01-723-0367 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-723-0367 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-723-0367. Primary manufacturer part number: MS51958-80.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Head Style: PAN
  • Thread Series Designator: UNF
  • 1 verified cross-reference
  • Primary manufacturer: Insitu, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-723-0367, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Insitu, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-723-0367
Primary Part NumberMS51958-80
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerInsitu, Inc.
StatusACTIVE
Thread DirectionRIGHT-HAND
Head StylePAN
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-059-3676MS51958-80 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS51958-80 PRIMARY Insitu, Inc. (USA)
Related Parts
5305-00-059-3676INTERCHANGEABLE
SCREW,MACHINE
MS51958-80

Frequently Asked Questions

What is NSN 5305-01-723-0367?

NSN 5305-01-723-0367 is a Screw,machine, manufactured by Insitu, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-723-0367?

NSN 5305-01-723-0367 has 1 cross-referenced part number: MS51958-80 (Insitu, Inc.).

What NSN replaces 5305-01-723-0367?

There is 1 known substitute for 5305-01-723-0367: 5305-00-059-3676. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51958-80?

Key specifications for MS51958-80: Thread Direction: RIGHT-HAND; Special Features: SCREW MACHINE - PAN HEAD, PHILLIPS, 250-28 UNF-2A, 625 LG A; Head Style: PAN; Thread Series Designator: UNF. 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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