PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218017951Nut,self-Locking,hexagon

Naval Sea Systems Command · NSN 5310-01-436-4983 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-436-4983 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-436-4983. Primary manufacturer part number: 218017951.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 8
  • Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL EXCEPT INSERT
  • Material: NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL EXCEPT INSERT
  • Width Across Flats: 1.614 INCHES MINIMUM AND 1.634 INCHES MAXIMUM IN
  • Nominal Thread Size: 1.000 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy R-405 or Nickel Alloy 400 Overall Except Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-436-4983, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-436-4983
Primary Part Number218017951
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread Class3B
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch8
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL EXCEPT INSERT
MaterialNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL EXCEPT INSERT
Width Across Flats1.614 INCHES MINIMUM AND 1.634 INCHES MAXIMUM IN
Nominal Thread Size1.000 INCHES IN
Nut Height1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Bearing Surface TypeCHAMFERED
Thread SeriesUNJC
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Hardness Rating80.0 ROCKWELL C MINIMUM
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-205-784409NU-1608 INTERCHANGEABLE
Nut,self-Locking,hexagon
Greer Stop Nut, Inc.
5310-00-616-2934K1901-3 INTERCHANGEABLE
Nut,self-Locking,plate
Howmet Global Fastening Systems Inc
5310-01-241-1913 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-385-5986M32258-UAC14 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-450-5591 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-450-7796 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-494-8396 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-501-2267 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-540-9589 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-605-3944 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
218017951 Naval Sea Systems Command (USA)
M25027/1-16C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M25027/1-16C National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M32258-UCA16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-32258 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
211070738 Naval Sea Systems Command (USA)
MIL-N-25027/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-205-7844INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
09NU-1608
5310-00-616-2934INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
K1901-3
5310-01-241-1913INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-385-5986INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
M32258-UAC14
5310-01-450-5591INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-450-7796INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-494-8396INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-501-2267INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-540-9589INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-605-3944INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-623-7821INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-733-9701INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-436-4983?

NSN 5310-01-436-4983 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-436-4983?

NSN 5310-01-436-4983 has 7 cross-referenced part numbers: 218017951 (Naval Sea Systems Command), M25027/1-16C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M25027/1-16C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), M32258-UCA16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-32258 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5310-01-436-4983?

There are 12 known substitutes for 5310-01-436-4983: 5310-00-205-7844, 5310-00-616-2934, 5310-01-241-1913 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218017951?

Key specifications for 218017951: Thread Class: 3B; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 8; Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL EXCEPT INSERT. 14 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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