PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R6250301-86Nut,self-Locking,hexagon

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5310-01-733-9701 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-733-9701 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-733-9701. Primary manufacturer part number: R6250301-86.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Series: UNJC
  • Nut Style: HEXAGON
  • Material: NICKEL ALLOY OVERALL
  • Material Document and Classification: ASTM D6456 TYPE 1 OR ASTM D4066 GROUP 1, CLASS 1 OR 2, GRADE 1, 2,3, 4, 5, OR 6 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE LOCKING INSERT
  • Material: PLASTIC POLYIMIDE LOCKING INSERT
  • Nominal Thread Size: 1.000 INCHES IN
  • Thread Class: 3B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-733-9701, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-733-9701
Primary Part NumberR6250301-86
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Thread SeriesUNJC
Nut StyleHEXAGON
MaterialNICKEL ALLOY OVERALL
Material Document and ClassificationASTM D6456 TYPE 1 OR ASTM D4066 GROUP 1, CLASS 1 OR 2, GRADE 1, 2,3, 4, 5, OR 6 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE LOCKING INSERT
MaterialPLASTIC POLYIMIDE LOCKING INSERT
Nominal Thread Size1.000 INCHES IN
Thread Class3B
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch8
Thread DirectionRIGHT-HAND
Specification/standard Data81349-MIL-DTL-32258 GOVERNMENT SPECIFICATION
Width Across Flats1.614 INCHES MINIMUM AND 1.634 INCHES MAXIMUM IN
Locking FeatureSELF-LOCKING
Nut Height1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-616-2934K1901-3 INTERCHANGEABLE
Nut,self-Locking,plate
Howmet Global Fastening Systems Inc
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
5310-01-436-4983 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-501-2267 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-605-3944 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-715-9299 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
R6250301-86 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS25027/1-16C 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
M32258-UAC16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
566-8836913-86 Naval Sea Systems Command (USA)
8836913 Naval Sea Systems Command (USA)
LOA032269-86 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5310-00-616-2934INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
K1901-3
5310-01-385-5986INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
M32258-UAC14
5310-01-436-4983INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-501-2267INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-605-3944INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-715-9299INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-733-9701?

NSN 5310-01-733-9701 is a Nut,self-Locking,hexagon, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-733-9701?

NSN 5310-01-733-9701 has 7 cross-referenced part numbers: R6250301-86 (Electric Boat Corporation Div General Dynamics Electric Boat), MS25027/1-16C (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), M32258-UAC16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 566-8836913-86 (Naval Sea Systems Command) and 2 more.

What NSN replaces 5310-01-733-9701?

There are 6 known substitutes for 5310-01-733-9701: 5310-00-616-2934, 5310-01-385-5986, 5310-01-436-4983 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R6250301-86?

Key specifications for R6250301-86: Thread Series: UNJC; Nut Style: HEXAGON; Material: NICKEL ALLOY OVERALL; Material Document and Classification: ASTM D6456 TYPE 1 OR ASTM D4066 GROUP 1, CLASS 1 OR 2, GRADE 1, 2,3, 4, 5, OR 6 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE LOCKING INSERT. 16 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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