PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS221-32Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-282-6686 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-282-6686 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-282-6686. Primary manufacturer part number: NAS221-32.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
  • Screw Material: STEEL COMP 8630 OR STEEL COMP 4037
  • Fastener Length: 2.016 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Screw Surface Treatment: CADMIUM
  • Screw Material Document and Classification: MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-282-6686, 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 18 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-282-6686
Primary Part NumberNAS221-32
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
Head Height0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Screw MaterialSTEEL COMP 8630 OR STEEL COMP 4037
Fastener Length2.016 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Nominal Thread Diameter0.190 INCHES IN
Screw Surface TreatmentCADMIUM
Screw Material Document and ClassificationMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
Thread Length0.438 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Class3A A
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Head Diameter0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Head StylePAN
Specification/standard Data80205-NAS221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2810-00-037-666622132 INTERCHANGEABLE
Liner,cover
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2805-00-448-086822-132 INTERCHANGEABLE
Shim,crankshaft Bea
Dresser Industries Inc Waukesha Engine Div
4730-00-535-2187 INTERCHANGEABLE
Plug,pipe
5360-00-612-1651 INTERCHANGEABLE
Spring,helical,extension
4720-00-624-4059 INTERCHANGEABLE
Hose,nonmetallic
5325-00-810-96372213-2 INTERCHANGEABLE
Grommet,nonmetallic
B.c. Systems Inc. Dba Bc Systems Inc
5970-01-497-551922132 INTERCHANGEABLE
Insulation Sleeving,electrical
Waytek Inc
1680-01-534-264922132-2 INTERCHANGEABLE
Pad,pedal
Breeze-Eastern Llc
1680-01-534-265822132-1 INTERCHANGEABLE
Pad,pedal
Breeze-Eastern Llc
4140-01-540-531822132 INTERCHANGEABLE
Fan,circulating
Vident
Cross-Reference Index
Part NumberManufacturer
221-32 National Steel Corp (USA)
NAS221-32 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
2810-00-037-6666INTERCHANGEABLE
LINER,COVER
22132
2805-00-448-0868INTERCHANGEABLE
SHIM,CRANKSHAFT BEA
22-132
4730-00-535-2187INTERCHANGEABLE
PLUG,PIPE
5360-00-612-1651INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
4720-00-624-4059INTERCHANGEABLE
HOSE,NONMETALLIC
5325-00-810-9637INTERCHANGEABLE
GROMMET,NONMETALLIC
2213-2
5970-01-497-5519INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
22132
1680-01-534-2649INTERCHANGEABLE
PAD,PEDAL
22132-2
1680-01-534-2658INTERCHANGEABLE
PAD,PEDAL
22132-1
4140-01-540-5318INTERCHANGEABLE
FAN,CIRCULATING
22132

Frequently Asked Questions

What is NSN 5305-00-282-6686?

NSN 5305-00-282-6686 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 5305-00-282-6686?

NSN 5305-00-282-6686 has 2 cross-referenced part numbers: 221-32 (National Steel Corp), NAS221-32 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-282-6686?

There are 10 known substitutes for 5305-00-282-6686: 2810-00-037-6666, 2805-00-448-0868, 4730-00-535-2187 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS221-32?

Key specifications for NAS221-32: Head Height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN; Screw Material: STEEL COMP 8630 OR STEEL COMP 4037; Fastener Length: 2.016 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN; Internal Drive Style: CROSS RECESS TYPE 1. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-282-6686 still in active supply?

NSN 5305-00-282-6686 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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