PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25222Setscrew

Helicopter Parts Service Inc · NSN 5305-00-765-0670 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-765-0670 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-765-0670. Primary manufacturer part number: 25222.
Features
  • Setscrew — FSC 5305
  • Point Chamfer Angle: 45.0 DEGREES NOMINAL
  • Thread Class: 2A A
  • Hole Type: DRILLED
  • Hole Diameter: 0.172 INCHES NOMINAL IN
  • Hole Configuration Style: ROUND
  • Internal Drive Style: SLOT
  • Point Diameter: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-765-0670, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Helicopter Parts Service Inc. Government technical data includes 23 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-765-0670
Primary Part Number25222
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHelicopter Parts Service Inc
StatusACTIVE
Point Chamfer Angle45.0 DEGREES NOMINAL
Thread Class2A A
Hole TypeDRILLED
Hole Diameter0.172 INCHES NOMINAL IN
Hole Configuration StyleROUND
Internal Drive StyleSLOT
Point Diameter0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 1010 OVERALL
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Thread Length0.457 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN
Point Length0.160 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
Point StyleCHAMFER DOG
Nominal Thread Diameter0.190 INCHES IN
Head Diameter0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Hole Quantity1
Head Height0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Fastener Length0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-228-1389 INTERCHANGEABLE
Drill,twist
4730-00-278-4240120063 INTERCHANGEABLE
Elbow,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
4920-00-565-702825222 INTERCHANGEABLE
Fixture,fuel System Components,a
Collins Engine Nozzles, Inc
1660-00-796-8181252-22 INTERCHANGEABLE
Cover,actuator
Dukes Aerospace, Inc.
5985-01-098-831925222 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5962-01-135-9674 INTERCHANGEABLE
Integrated Circuit
5120-01-367-3376 INTERCHANGEABLE
Wrench,box and Open End,combinat
5340-01-538-6594 INTERCHANGEABLE
Bracket,mounting
6625-01-563-7811 INTERCHANGEABLE
Light Emitting Diod
7920-01-714-158325222 INTERCHANGEABLE
Brush,cleaning,tool and Parts
Weiler Corporation
Cross-Reference Index
Part NumberManufacturer
25222 Helicopter Parts Service Inc (USA)
25222 Hiller Aircraft Corporation (USA)
Related Parts
5133-00-228-1389INTERCHANGEABLE
DRILL,TWIST
4730-00-278-4240INTERCHANGEABLE
ELBOW,PIPE
120063
4920-00-565-7028INTERCHANGEABLE
FIXTURE,FUEL SYSTEM COMPONENTS,A
25222
1660-00-796-8181INTERCHANGEABLE
COVER,ACTUATOR
252-22
5985-01-098-8319INTERCHANGEABLE
COUPLER,DIRECTIONAL
25222
5962-01-135-9674INTERCHANGEABLE
INTEGRATED CIRCUIT
5120-01-367-3376INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5340-01-538-6594INTERCHANGEABLE
BRACKET,MOUNTING
6625-01-563-7811INTERCHANGEABLE
LIGHT EMITTING DIOD
7920-01-714-1583INTERCHANGEABLE
BRUSH,CLEANING,TOOL AND PARTS
25222

Frequently Asked Questions

What is NSN 5305-00-765-0670?

NSN 5305-00-765-0670 is a Setscrew, manufactured by Helicopter Parts Service Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-765-0670?

NSN 5305-00-765-0670 has 2 cross-referenced part numbers: 25222 (Helicopter Parts Service Inc), 25222 (Hiller Aircraft Corporation).

What NSN replaces 5305-00-765-0670?

There are 10 known substitutes for 5305-00-765-0670: 5133-00-228-1389, 4730-00-278-4240, 4920-00-565-7028 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25222?

Key specifications for 25222: Point Chamfer Angle: 45.0 DEGREES NOMINAL; Thread Class: 2A A; Hole Type: DRILLED; Hole Diameter: 0.172 INCHES NOMINAL IN. 23 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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