PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS122122Insert,screw Thread

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5325-00-290-4521 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-290-4521 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-290-4521. Primary manufacturer part number: MS122122.
Features
  • Insert,screw Thread — FSC 5325
  • Thread Quantity Per Inch: 18
  • Insert Size: 0.380 IN MIN 0.400 IN MAX IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.3125 INCHES 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 5325-00-290-4521, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-290-4521
Primary Part NumberMS122122
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
Thread Quantity Per Inch18
Insert Size0.380 IN MIN 0.400 IN MAX IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.3125 INCHES IN
Style DesignatorCOIL
Length0.469 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5365-00-142-177886573 INTERCHANGEABLE
Plug,machine Thread
Honeywell International Inc. Div Aerospace - Torrance
3455-00-190-8407 INTERCHANGEABLE
Cutter Bit,tool Holder
5325-00-290-4652 INTERCHANGEABLE
Insert,screw Thread
3040-00-766-551835702 INTERCHANGEABLE
Gearshaft,spur
Safran Power Usa Llc
2815-01-127-740010061 INTERCHANGEABLE
Cap,pressure
Sabre Engines Ltd
6670-01-345-9259906-8657-3 INTERCHANGEABLE
Balanceweight
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
8125-01-439-536735702 INTERCHANGEABLE
Bottle,applicator
Menda Scientific Products Inc
5930-01-561-366235702 INTERCHANGEABLE
Switch,sensitive
G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
Part NumberManufacturer
1185-5CN469 Stanley Engineered Fastening Llc (USA)
5325PL0917246 Jednolity Indeks Materialowy - Uniform Material Index (POL)
530D2 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
35702 Zf Industrieantriebe Witten Gmbh (DEU)
208C5-0469 Albany Fasteners Pawtucket Fasteners Div (USA)
86573 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
MS122122 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
1185-5CN0469 Stanley Engineered Fastening Llc (USA)
MS122142 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS122122 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21208C5-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
106A902555 Zf Industrieantriebe Witten Gmbh (DEU)
1736525-392 Zf Industrieantriebe Witten Gmbh (DEU)
1185-5CNX15-32 Stanley Engineered Fastening Llc (USA)
Related Parts
5365-00-142-1778INTERCHANGEABLE
PLUG,MACHINE THREAD
86573
3455-00-190-8407INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
5325-00-290-4652INTERCHANGEABLE
INSERT,SCREW THREAD
3040-00-766-5518INTERCHANGEABLE
GEARSHAFT,SPUR
35702
2815-01-127-7400INTERCHANGEABLE
CAP,PRESSURE
10061
6670-01-345-9259INTERCHANGEABLE
BALANCEWEIGHT
906-8657-3
8125-01-439-5367INTERCHANGEABLE
BOTTLE,APPLICATOR
35702
5930-01-561-3662INTERCHANGEABLE
SWITCH,SENSITIVE
35702

Frequently Asked Questions

What is NSN 5325-00-290-4521?

NSN 5325-00-290-4521 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 5325-00-290-4521?

NSN 5325-00-290-4521 has 14 cross-referenced part numbers: 1185-5CN469 (Stanley Engineered Fastening Llc), 5325PL0917246 (Jednolity Indeks Materialowy - Uniform Material Index), 530D2 (Curtiss-Wright Controls, Inc. Div Actuation Division), 35702 (Zf Industrieantriebe Witten Gmbh), 208C5-0469 (Albany Fasteners Pawtucket Fasteners Div) and 9 more.

What NSN replaces 5325-00-290-4521?

There are 8 known substitutes for 5325-00-290-4521: 5365-00-142-1778, 3455-00-190-8407, 5325-00-290-4652 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS122122?

Key specifications for MS122122: Thread Quantity Per Inch: 18; Insert Size: 0.380 IN MIN 0.400 IN MAX IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL CORROSION RESISTING OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-290-4521 still in active supply?

NSN 5325-00-290-4521 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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