PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5126-1Screw,machine

Pylon Co Inc · NSN 5305-01-197-6574 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-197-6574 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-197-6574. Primary manufacturer part number: 5126-1.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Head Style: PAN NO. 2
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 40
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A A
  • Head Surface Treatment: PASSIVATE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-197-6574, 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 15 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
NSN5305-01-197-6574
Primary Part Number5126-1
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPylon Co Inc
StatusACTIVE
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Head StylePAN NO. 2
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch40
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Head Surface TreatmentPASSIVATE
Fastener Length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Shank Surface TreatmentPLASTIC AND PASSIVATE
Head Surface Treatment Document and ClassificationQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE
Nominal Thread Diameter0.112 INCHES IN
Thread Length0.214 INCHES MINIMUM AND 0.285 INCHES MAXIMUM 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
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-027-67598198758 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
5950-00-232-37955-1261 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
4820-00-752-952680661-00 1.00IN INTERCHANGEABLE
Valve,stop-Check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
2590-01-670-07505126-1 INTERCHANGEABLE
Pad,cushioning
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
5126-1 Pylon Co Inc (USA)
A320A514-101 Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
5935-00-027-6759INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8198758
5950-00-232-3795INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5-1261
4820-00-752-9526INTERCHANGEABLE
VALVE,STOP-CHECK
80661-00 1.00IN
2590-01-670-0750INTERCHANGEABLE
PAD,CUSHIONING
5126-1

Frequently Asked Questions

What is NSN 5305-01-197-6574?

NSN 5305-01-197-6574 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 5305-01-197-6574?

NSN 5305-01-197-6574 has 2 cross-referenced part numbers: 5126-1 (Pylon Co Inc), A320A514-101 (Kearfott Corporation Div Guidance and Navigation Division).

What NSN replaces 5305-01-197-6574?

There are 4 known substitutes for 5305-01-197-6574: 5935-00-027-6759, 5950-00-232-3795, 4820-00-752-9526 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5126-1?

Key specifications for 5126-1: Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Head Style: PAN NO. 2; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 40. 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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