PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS221-9Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-282-4208 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-282-4208 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-282-4208. Primary manufacturer part number: NAS221-9.
Features
  • Screw,machine — FSC 5305
  • Screw Material: STEEL COMP 8630
  • Screw Surface Treatment: CADMIUM
  • Head Style: ROUND
  • Thread Length: 0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Head Diameter: 0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Screw Material Document and Classification: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-282-4208, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-282-4208
Primary Part NumberNAS221-9
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Screw MaterialSTEEL COMP 8630
Screw Surface TreatmentCADMIUM
Head StyleROUND
Thread Length0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Diameter0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Screw Material Document and ClassificationMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
Thread Series DesignatorUNF
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Thread Quantity Per Inch32
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Fastener Length0.579 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6810-00-174-5165 INTERCHANGEABLE
Soda Lime
5970-00-263-132585T4-5 INTERCHANGEABLE
Insulation Sleeving,electrical
Bell Textron Inc
3030-00-357-550615599206 INTERCHANGEABLE
Belt,v
General Motors Llc Dba General Motors Llc
2510-00-734-95942219 INTERCHANGEABLE
Pawl Latch Lever
Kenworth Truck Co a Div of Paccar Inc
5365-00-769-64457696445 INTERCHANGEABLE
Spacer,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5815-00-975-9719 INTERCHANGEABLE
Arm
5935-01-038-0699WTBV60PCSY INTERCHANGEABLE
Connector,receptacle,electrical
Airborn Interconnect, Llc
6625-01-051-6501 INTERCHANGEABLE
Meter,audio Level
5935-01-066-6292WTBV26PCJ INTERCHANGEABLE
Connector,receptacle,electrical
Airborn Interconnect, Llc
5331-01-173-8779B0612 2-219 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
NAS221-9 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
221-9 National Steel Corp (USA)
Related Parts
6810-00-174-5165INTERCHANGEABLE
SODA LIME
5970-00-263-1325INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
85T4-5
3030-00-357-5506INTERCHANGEABLE
BELT,V
15599206
2510-00-734-9594INTERCHANGEABLE
PAWL LATCH LEVER
2219
5365-00-769-6445INTERCHANGEABLE
SPACER,SLEEVE
7696445
5815-00-975-9719INTERCHANGEABLE
ARM
5935-01-038-0699INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
WTBV60PCSY
6625-01-051-6501INTERCHANGEABLE
METER,AUDIO LEVEL
5935-01-066-6292INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
WTBV26PCJ
5331-01-173-8779INTERCHANGEABLE
O-RING
B0612 2-219
5310-01-181-7400INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
2219
3950-01-322-8051INTERCHANGEABLE
HOIST,CHAIN
2219/115325

Frequently Asked Questions

What is NSN 5305-00-282-4208?

NSN 5305-00-282-4208 is a Screw,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-282-4208?

NSN 5305-00-282-4208 has 2 cross-referenced part numbers: NAS221-9 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 221-9 (National Steel Corp).

What NSN replaces 5305-00-282-4208?

There are 12 known substitutes for 5305-00-282-4208: 6810-00-174-5165, 5970-00-263-1325, 3030-00-357-5506 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS221-9?

Key specifications for NAS221-9: Screw Material: STEEL COMP 8630; Screw Surface Treatment: CADMIUM; Head Style: ROUND; Thread Length: 0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-282-4208 still in active supply?

NSN 5305-00-282-4208 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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