PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

655-027-9006Setscrew

Honeywell International Inc. Div Aerospace - Torrance · NSN 5305-00-721-4427 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-721-4427 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-721-4427. Primary manufacturer part number: 655-027-9006.
Features
  • Setscrew — FSC 5305
  • Spline Minor Diameter: 0.037 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
  • Internal Drive Style: FOUR SPLINE
  • Point Style: CUP
  • Spline Width: 0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
  • Thread Length: 0.125 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 431 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-721-4427, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-721-4427
Primary Part Number655-027-9006
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Spline Minor Diameter0.037 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
Internal Drive StyleFOUR SPLINE
Point StyleCUP
Spline Width0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
Thread Length0.125 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Fastener Length0.125 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 302 OR STEEL COMP 431 OVERALL
Material Document and ClassificationMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Spline Major Diameter0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Nominal Thread Diameter0.086 INCHES IN
Thread Class3A A
Thread Quantity Per Inch56
Head StyleHEADLESS (SETSCREW)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
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
5305-00-638-5254 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
5305-00-721-5740 INTERCHANGEABLE
Setscrew
5305-00-803-0138 INTERCHANGEABLE
Setscrew
5305-00-805-9748 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
655-027-9006 Honeywell International Inc. Div Aerospace - Torrance (USA)
5305PL0144646 Jednolity Indeks Materialowy - Uniform Material Index (POL)
FFS103TYPE4STYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
639202-143 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
AN565DC2L2 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5305-00-014-5852INTERCHANGEABLE
SETSCREW
328-0002-00
5305-00-272-3567INTERCHANGEABLE
SETSCREW
394011PC3
5305-00-274-0105INTERCHANGEABLE
SETSCREW
5305-00-638-5254INTERCHANGEABLE
SETSCREW
5305-00-638-5648INTERCHANGEABLE
SETSCREW
7876450P3
5305-00-717-6950INTERCHANGEABLE
SETSCREW
N70P902B6
5305-00-719-5346INTERCHANGEABLE
SETSCREW
5305-00-721-5740INTERCHANGEABLE
SETSCREW
5305-00-803-0138INTERCHANGEABLE
SETSCREW
5305-00-805-9748INTERCHANGEABLE
SETSCREW
5305-01-084-7051INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 5305-00-721-4427?

NSN 5305-00-721-4427 is a Setscrew, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-721-4427?

NSN 5305-00-721-4427 has 5 cross-referenced part numbers: 655-027-9006 (Honeywell International Inc. Div Aerospace - Torrance), 5305PL0144646 (Jednolity Indeks Materialowy - Uniform Material Index), FFS103TYPE4STYLE4 (Federal Specifications Promulgated by General Services Administration Washington DC), 639202-143 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), AN565DC2L2 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5305-00-721-4427?

There are 11 known substitutes for 5305-00-721-4427: 5305-00-014-5852, 5305-00-272-3567, 5305-00-274-0105 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 655-027-9006?

Key specifications for 655-027-9006: Spline Minor Diameter: 0.037 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN; Internal Drive Style: FOUR SPLINE; Point Style: CUP; Spline Width: 0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN. 17 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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