PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21075L06NNut,self-Locking,plate

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-781-9493 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-781-9493 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-781-9493. Primary manufacturer part number: MS21075L06N.
Features
  • Nut,self-Locking,plate — FSC 5310
  • Center to Center Distance Between Mounting Holes Along Length: 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Mounting Hole Arrangement Style: 2 HOLES
  • Lubrication: DRY FILM LUBRICANT
  • Nut Style: PLATE
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Features Provided: FLOATING NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-781-9493, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-781-9493
Primary Part NumberMS21075L06N
Item NameNut,self-Locking,plate
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Center to Center Distance Between Mounting Holes Along Length0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Mounting Hole Arrangement Style2 HOLES
LubricationDRY FILM LUBRICANT
Nut StylePLATE
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Features ProvidedFLOATING NUT
Hardness Rating49.0 ROCKWELL C MAXIMUM
Nut Height0.171 INCHES MAXIMUM IN
Plate Thickness0.140 INCHES MAXIMUM IN
Distance From Aperture Center to Mounting Hole Center0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
Plate Width0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Nut Length0.682 INCHES MAXIMUM IN
Nut Mounting ProvisionSTRAIGHT HOLES
Thread DirectionRIGHT-HAND
Nominal Thread Size0.138 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Mounting Hole Diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Thread Class3B
Thread SeriesUNJC
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-840-1321463952-2 INTERCHANGEABLE
Nut,self-Locking,plate
Dickson
5310-01-586-8806MS21075L06 INTERCHANGEABLE
Nut,self-Locking,plate
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
RFM20A06 Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA)
MF1000-06T2 Howmet Global Fastening Systems Inc (USA)
10121697 Nimikkeistokeskus Ncb Finland (FIN)
02-14051A02 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
Z00.N5455385130 Daher Aerospace - Ex Socata (FRA)
5310PL0548052 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS21075L06 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MTPHL65S632S Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA)
MF5000-06 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
MF5000-06 Satair A/s (DNK)
MF5000-06 Howmet Global Fastening Systems Inc (USA)
02-14051A02 Motorola Inc. Dba Integrated Information Systems Group (USA)
MA 13600-62 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
MS21075L06N PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21075L06N Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1018953-001 Anacomp, Inc. (USA)
N35-001-004 L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division (USA)
5310PL1748248 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MTPHL65S632S Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA)
MA 13600-62 Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
5310-00-840-1321INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
463952-2
5310-01-586-8806INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
MS21075L06

Frequently Asked Questions

What is NSN 5310-00-781-9493?

NSN 5310-00-781-9493 is a Nut,self-Locking,plate, 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: active.

What are the part numbers for NSN 5310-00-781-9493?

NSN 5310-00-781-9493 has 20 cross-referenced part numbers: RFM20A06 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), MF1000-06T2 (Howmet Global Fastening Systems Inc), 10121697 (Nimikkeistokeskus Ncb Finland), 02-14051A02 (General Dynamics Mission Systems, Inc. Dba Gdms), Z00.N5455385130 (Daher Aerospace - Ex Socata) and 15 more.

What NSN replaces 5310-00-781-9493?

There are 2 known substitutes for 5310-00-781-9493: 5310-00-840-1321, 5310-01-586-8806. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21075L06N?

Key specifications for MS21075L06N: Center to Center Distance Between Mounting Holes Along Length: 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Mounting Hole Arrangement Style: 2 HOLES; Lubrication: DRY FILM LUBRICANT. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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