PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5126-6Screw,machine

Pylon Co Inc · NSN 5305-01-339-3299 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-339-3299 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-339-3299. Primary manufacturer part number: 5126-6.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A A
  • Head Style: PAN
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Screw Surface Treatment: PASSIVATE
  • Internal Drive Style: CROSS RECESS TYPE 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-339-3299, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pylon Co Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-339-3299
Primary Part Number5126-6
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPylon Co Inc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Head StylePAN
Nominal Thread Diameter0.112 INCHES IN
Thread DirectionRIGHT-HAND
Screw Surface TreatmentPASSIVATE
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Thread Length0.290 INCHES NOMINAL IN
Screw MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-945-462068400151001 INTERCHANGEABLE
Transformer,power Autotransforme
Elbitamerica, Inc.
3110-01-157-969751266 INTERCHANGEABLE
Bearing,roller
Leroi International Inc Dba Compair Leroi
9340-01-160-5215 INTERCHANGEABLE
Window
3120-01-664-499651266 INTERCHANGEABLE
Bearing,sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
5126-6 Pylon Co Inc (USA)
A320A514-107 Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
5950-00-945-4620INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
68400151001
3110-01-157-9697INTERCHANGEABLE
BEARING,ROLLER
51266
9340-01-160-5215INTERCHANGEABLE
WINDOW
3120-01-664-4996INTERCHANGEABLE
BEARING,SLEEVE
51266

Frequently Asked Questions

What is NSN 5305-01-339-3299?

NSN 5305-01-339-3299 is a Screw,machine, manufactured by Pylon Co Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-339-3299?

NSN 5305-01-339-3299 has 2 cross-referenced part numbers: 5126-6 (Pylon Co Inc), A320A514-107 (Kearfott Corporation Div Guidance and Navigation Division).

What NSN replaces 5305-01-339-3299?

There are 4 known substitutes for 5305-01-339-3299: 5950-00-945-4620, 3110-01-157-9697, 9340-01-160-5215 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5126-6?

Key specifications for 5126-6: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Class: 2A A; Head Style: PAN; Nominal Thread Diameter: 0.112 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com