PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3212-12Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-520-5568 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-520-5568 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-520-5568. Primary manufacturer part number: MS3212-12.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: WATERTIGHT
  • Thread Length: 0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Head Diameter: 0.256 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN
  • Screw Surface Treatment: PASSIVATE
  • Thread Quantity Per Inch: 32
  • Internal Drive Style: CROSS RECESS TYPE 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-520-5568, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 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
NSN5305-00-520-5568
Primary Part NumberMS3212-12
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
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleWATERTIGHT
Thread Length0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Head Diameter0.256 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Thread Quantity Per Inch32
Internal Drive StyleCROSS RECESS TYPE 1
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Features ProvidedO RING
Head Height0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Fastener Length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Screw MaterialSTEEL COMP 304 OR STEEL COMP 305
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3455-00-007-9628 INTERCHANGEABLE
File,rotary
5940-00-113-982033220 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3030-00-269-9714614 INTERCHANGEABLE
Belt,v
Gates Corporation
6680-00-794-4776JMS-8191 INTERCHANGEABLE
Glass,liquid Sight Indicator,fla
Clark-Reliance Llc
6685-00-875-942233220 INTERCHANGEABLE
Thermostat,flow Control
Vulcan-Hart Corp
8120-01-051-222933220 INTERCHANGEABLE
Cylinder,compressed Gas
Tyco Fire Products Lp
5330-01-102-53743920N304-75 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5330-01-191-234333220 INTERCHANGEABLE
Gasket
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
5310-01-611-001633220 INTERCHANGEABLE
Washer,flat
Fastenal Company Dba Fastenal Co
5920-01-628-776833220 INTERCHANGEABLE
Absorber,overvoltage
U.s. Ordnance
Cross-Reference Index
Part NumberManufacturer
SP33220 Cadillac Gage Textron Inc. (USA)
110786-012 L3harris Technologies, Inc. (USA)
722-031-205 Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA)
MS3212-12 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
HT06R32S05 Align Aerospace Llc (USA)
722-031-205 PRIMARY Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
MS3212-12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4006X1-632-5 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
HT06R32S05 Anixter Inc. Dba Anixter (USA)
SEELSKREWR6-32- 5-16 Zf Industrieantriebe Witten Gmbh (DEU)
SEELSKREWR6-32- Apm Hexseal Corp (USA)
33220 Cadillac Gage Textron Inc. (USA)
SC5305-0003-12 Drs Icas, Llc (USA)
R6-32X5-16 Apm Hexseal Corp (USA)
Related Parts
3455-00-007-9628INTERCHANGEABLE
FILE,ROTARY
5940-00-113-9820INTERCHANGEABLE
TERMINAL,LUG
33220
3030-00-269-9714INTERCHANGEABLE
BELT,V
614
6680-00-794-4776INTERCHANGEABLE
GLASS,LIQUID SIGHT INDICATOR,FLA
JMS-8191
6685-00-875-9422INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
33220
8120-01-051-2229INTERCHANGEABLE
CYLINDER,COMPRESSED GAS
33220
5330-01-102-5374INTERCHANGEABLE
GASKET
3920N304-75
5330-01-191-2343INTERCHANGEABLE
GASKET
33220
5310-01-611-0016INTERCHANGEABLE
WASHER,FLAT
33220
5920-01-628-7768INTERCHANGEABLE
ABSORBER,OVERVOLTAGE
33220

Frequently Asked Questions

What is NSN 5305-00-520-5568?

NSN 5305-00-520-5568 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 5305-00-520-5568?

NSN 5305-00-520-5568 has 14 cross-referenced part numbers: SP33220 (Cadillac Gage Textron Inc.), 110786-012 (L3harris Technologies, Inc.), 722-031-205 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division), MS3212-12 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), HT06R32S05 (Align Aerospace Llc) and 9 more.

What NSN replaces 5305-00-520-5568?

There are 10 known substitutes for 5305-00-520-5568: 3455-00-007-9628, 5940-00-113-9820, 3030-00-269-9714 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3212-12?

Key specifications for MS3212-12: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: WATERTIGHT; Thread Length: 0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Head Diameter: 0.256 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-520-5568 still in active supply?

NSN 5305-00-520-5568 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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