PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3214-6Nut,plain,clinch

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-181-6981 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-181-6981 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-181-6981. Primary manufacturer part number: MS3214-6.
Features
  • Nut,plain,clinch — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Nondefinitive Spec/std Data: I TYPE AND 1 STYLE
  • Material: STEEL COMP 303 OVERALL
  • Thread Quantity Per Inch: 40
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.112 INCHES IN
  • Nut Height: 0.085 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,clinch, cataloged under National Stock Number 5310-00-181-6981, is classified within Federal Supply Class 5310 (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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 18 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
NSN5310-00-181-6981
Primary Part NumberMS3214-6
Item NameNut,plain,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Surface TreatmentPASSIVATE OVERALL
Nondefinitive Spec/std DataI TYPE AND 1 STYLE
MaterialSTEEL COMP 303 OVERALL
Thread Quantity Per Inch40
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.112 INCHES IN
Nut Height0.085 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Width Across Flats0.250 INCHES NOMINAL IN
Thread Class2B
Nut StyleCLINCH
Pilot Diameter0.199 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5310-00-074-9612MS3214-7 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-150-4041MS3214-3 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-168-6328MS3214-11 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-181-6933MS3214-17 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-181-6947334-0428-000 INTERCHANGEABLE
Nut,plain,clinch
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5310-00-181-69809177162 INTERCHANGEABLE
Nut,plain,clinch
Us Army Aviation and Missile Command
5310-00-310-4981MS3214-12 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-406-0699MS3214-5 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-420-05512JC2843H01 INTERCHANGEABLE
Nut,plain,clinch
Northrop Grumman Support Services Corp
5310-00-967-958210034206-1 INTERCHANGEABLE
Nut,plain,clinch
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
10116629 Nimikkeistokeskus Ncb Finland (FIN)
11040274-1 Us Army Aviation and Missile Command (USA)
FN-440-2 Penn Engineering & Manufacturing Corp (USA)
335C603H06 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
MS3214-6 L3harris Technologies, Inc. (USA)
L520-23 Viking Technologies, Ltd. (USA)
L520-23 Dar Electronics Inc Commercial Products Div Dba National Radio Co (USA)
MS3214-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS3214-6 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
44N093FL Precision Metal Products Co (USA)
479029-2 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
MILN82512 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20474-38 Asi Aerospace Group, Inc. Dba Barco Aviation (USA)
413864-2 Raytheon Company Dba Raytheon (USA)
NCN4-1-3 Dar Electronics Inc Dba National Radio Co (USA)
NCN4-1-3 Pics Screw Machine, Inc. Dba Pics Screw Machine Inc (USA)
44N(0.093)-FL Precision Metal Products Co (USA)
175120A334 Itt Industries Inc Itt Aerospace Communications Div East (USA)
SC5310-0027-1 Drs Icas, Llc (USA)
Related Parts
5310-00-074-9612INTERCHANGEABLE
NUT,PLAIN,CLINCH
MS3214-7
5310-00-150-4041INTERCHANGEABLE
NUT,PLAIN,CLINCH
MS3214-3
5310-00-168-6328INTERCHANGEABLE
NUT,PLAIN,CLINCH
MS3214-11
5310-00-181-6933INTERCHANGEABLE
NUT,PLAIN,CLINCH
MS3214-17
5310-00-181-6947INTERCHANGEABLE
NUT,PLAIN,CLINCH
334-0428-000
5310-00-181-6980INTERCHANGEABLE
NUT,PLAIN,CLINCH
9177162
5310-00-310-4981INTERCHANGEABLE
NUT,PLAIN,CLINCH
MS3214-12
5310-00-406-0699INTERCHANGEABLE
NUT,PLAIN,CLINCH
MS3214-5
5310-00-420-0551INTERCHANGEABLE
NUT,PLAIN,CLINCH
2JC2843H01
5310-00-967-9582INTERCHANGEABLE
NUT,PLAIN,CLINCH
10034206-1

Frequently Asked Questions

What is NSN 5310-00-181-6981?

NSN 5310-00-181-6981 is a Nut,plain,clinch, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-181-6981?

NSN 5310-00-181-6981 has 19 cross-referenced part numbers: 10116629 (Nimikkeistokeskus Ncb Finland), 11040274-1 (Us Army Aviation and Missile Command), FN-440-2 (Penn Engineering & Manufacturing Corp), 335C603H06 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), MS3214-6 (L3harris Technologies, Inc.) and 14 more.

What NSN replaces 5310-00-181-6981?

There are 10 known substitutes for 5310-00-181-6981: 5310-00-074-9612, 5310-00-150-4041, 5310-00-168-6328 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3214-6?

Key specifications for MS3214-6: Surface Treatment: PASSIVATE OVERALL; Nondefinitive Spec/std Data: I TYPE AND 1 STYLE; Material: STEEL COMP 303 OVERALL; Thread Quantity Per Inch: 40. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-181-6981 still in active supply?

NSN 5310-00-181-6981 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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