PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21209C0820Insert,screw Thread

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5325-00-721-6936 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-721-6936 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-721-6936. Primary manufacturer part number: MS21209C0820.
Features
  • Insert,screw Thread — FSC 5325
  • Style Designator: COIL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Length: 0.328 INCHES NOMINAL IN
  • Thread Class: 2B
  • Insert Size: 0.205 IN. MIN,0.220 IN. MAX IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-00-721-6936, is classified within Federal Supply Class 5325 (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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 47 commercial cross-references from 27 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-721-6936
Primary Part NumberMS21209C0820
Item NameInsert,screw Thread
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Style DesignatorCOIL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Length0.328 INCHES NOMINAL IN
Thread Class2B
Insert Size0.205 IN. MIN,0.220 IN. MAX IN
Thread Quantity Per Inch32
Thread Length0.328 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5325-00-473-3887MS122159 INTERCHANGEABLE
Insert,screw Thread
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6130-00-511-8436190-854 INTERCHANGEABLE
Rectifier
Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc.
5841-00-610-3425190854 INTERCHANGEABLE
Reflector and Suppo
Raytheon Company
5970-01-170-4578117968 INTERCHANGEABLE
Insulator,plate
Unison Industries Llc
5120-01-274-2543 INTERCHANGEABLE
Wire Wrapping and Unwrapping Too
6515-01-428-32951179-68 INTERCHANGEABLE
Implant,prosthesis,patellofemora
Depuy Inc
4730-01-484-768027-2186 INTERCHANGEABLE
Tee-Y,drainage Pipe
Mobile Climate Control Industries Inc
7025-01-652-724219085-4 INTERCHANGEABLE
Terminal,data Processing
Science Applications International Corporation
5995-01-686-1504117968 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Kollmorgen Corp
Cross-Reference Index
Part NumberManufacturer
235-001-0820 Northrop Grumman Systems Corporation (USA)
3585-2CNX328 Stanley Engineered Fastening Llc (USA)
MS122159 Zf Industrieantriebe Witten Gmbh (DEU)
3585-2CN0328 Stanley Engineered Fastening Llc (USA)
209C08-0328 Albany Fasteners Pawtucket Fasteners Div (USA)
364MS008P004 Raytheon Company Dba Raytheon Co (USA)
MS21209CO820 Zf Industrieantriebe Witten Gmbh (DEU)
12Z5041-23 Naval Ordnance Standards (USA)
1185-2CNX21-64 Stanley Engineered Fastening Llc (USA)
Z4318135-926 Naval Ordnance Standards (USA)
906557-04 Northrop Grumman Systems Corporation (USA)
218077 Woodward, Inc. Div Fuel Systems and Controls (USA)
1185-2CN328 Stanley Engineered Fastening Llc (USA)
1979870-6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
416936-69 Raytheon Company Dba Raytheon (USA)
MS21209C0820 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5325PL0860392 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS21209C0820 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
1185-2CX328 Stanley Engineered Fastening Llc (USA)
452612 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5325-00-473-3887INTERCHANGEABLE
INSERT,SCREW THREAD
MS122159
6130-00-511-8436INTERCHANGEABLE
RECTIFIER
190-854
5841-00-610-3425INTERCHANGEABLE
REFLECTOR AND SUPPO
190854
5970-01-170-4578INTERCHANGEABLE
INSULATOR,PLATE
117968
5120-01-274-2543INTERCHANGEABLE
WIRE WRAPPING AND UNWRAPPING TOO
6515-01-428-3295INTERCHANGEABLE
IMPLANT,PROSTHESIS,PATELLOFEMORA
1179-68
4730-01-484-7680INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
27-2186
7025-01-652-7242INTERCHANGEABLE
TERMINAL,DATA PROCESSING
19085-4
5995-01-686-1504INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
117968

Frequently Asked Questions

What is NSN 5325-00-721-6936?

NSN 5325-00-721-6936 is a Insert,screw Thread, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-721-6936?

NSN 5325-00-721-6936 has 47 cross-referenced part numbers: 235-001-0820 (Northrop Grumman Systems Corporation), 3585-2CNX328 (Stanley Engineered Fastening Llc), MS122159 (Zf Industrieantriebe Witten Gmbh), 3585-2CN0328 (Stanley Engineered Fastening Llc), 209C08-0328 (Albany Fasteners Pawtucket Fasteners Div) and 42 more.

What NSN replaces 5325-00-721-6936?

There are 9 known substitutes for 5325-00-721-6936: 5325-00-473-3887, 6130-00-511-8436, 5841-00-610-3425 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21209C0820?

Key specifications for MS21209C0820: Style Designator: COIL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-721-6936 still in active supply?

NSN 5325-00-721-6936 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.
PartsTable Design LLC · partstable.com