PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

341-122-0061Setscrew

Meggitt (new Hampshire), Inc · NSN 5305-00-721-5740 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-721-5740 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-721-5740. Primary manufacturer part number: 341-122-0061.
Features
  • Setscrew — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Point Style: CUP
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Fastener Length: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Nominal Thread Diameter: 0.086 INCHES IN
  • Thread Quantity Per Inch: 56
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-721-5740, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meggitt (new Hampshire), Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-721-5740
Primary Part Number341-122-0061
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Point StyleCUP
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Fastener Length0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Thread Class3A A
Nominal Thread Diameter0.086 INCHES IN
Thread Quantity Per Inch56
Head StyleHEADLESS (SETSCREW)
Spline Major Diameter0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
Spline Minor Diameter0.037 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
Thread Length0.072 INCHES MAXIMUM IN
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Surface TreatmentPASSIVATE OVERALL
Thread DirectionRIGHT-HAND
Internal Drive StyleCROSS RECESS TYPE 1
Spline Width0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-014-5852328-0002-00 INTERCHANGEABLE
Setscrew
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5305-00-272-3567394011PC3 INTERCHANGEABLE
Setscrew
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-274-0105 INTERCHANGEABLE
Setscrew
5305-00-299-5895341-122-0061 INTERCHANGEABLE
Setscrew
Moog Inc.
5305-00-638-5254 INTERCHANGEABLE
Setscrew
5305-00-638-56487876450P3 INTERCHANGEABLE
Setscrew
General Electric Company
5305-00-717-6950N70P902B6 INTERCHANGEABLE
Setscrew
Lockheed Martin Corporation Div Rms
5305-00-719-5346 INTERCHANGEABLE
Setscrew
5305-00-721-4427 INTERCHANGEABLE
Setscrew
5305-00-803-0138 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
341-122-0061 Meggitt (new Hampshire), Inc (USA)
AN565DC2L1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS103TYPE4STYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-014-5852INTERCHANGEABLE
SETSCREW
328-0002-00
5305-00-272-3567INTERCHANGEABLE
SETSCREW
394011PC3
5305-00-274-0105INTERCHANGEABLE
SETSCREW
5305-00-299-5895INTERCHANGEABLE
SETSCREW
341-122-0061
5305-00-638-5254INTERCHANGEABLE
SETSCREW
5305-00-638-5648INTERCHANGEABLE
SETSCREW
7876450P3
5305-00-717-6950INTERCHANGEABLE
SETSCREW
N70P902B6
5305-00-719-5346INTERCHANGEABLE
SETSCREW
5305-00-721-4427INTERCHANGEABLE
SETSCREW
5305-00-803-0138INTERCHANGEABLE
SETSCREW
5305-00-805-9748INTERCHANGEABLE
SETSCREW
5305-01-084-7051INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 5305-00-721-5740?

NSN 5305-00-721-5740 is a Setscrew, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-721-5740?

NSN 5305-00-721-5740 has 3 cross-referenced part numbers: 341-122-0061 (Meggitt (new Hampshire), Inc), AN565DC2L1 (Aeronautical Standards Group Dept of Navy and Air Force), FFS103TYPE4STYLE4 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-721-5740?

There are 12 known substitutes for 5305-00-721-5740: 5305-00-014-5852, 5305-00-272-3567, 5305-00-274-0105 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 341-122-0061?

Key specifications for 341-122-0061: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Point Style: CUP; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Fastener Length: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-721-5740 still in active supply?

NSN 5305-00-721-5740 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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