PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-1222GNut,plain,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-118-7598 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-118-7598 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-118-7598. Primary manufacturer part number: MIL-S-1222G.
Features
  • Nut,plain,hexagon — FSC 5310
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 4 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-118-7598, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-118-7598
Primary Part NumberMIL-S-1222G
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-01-118-7604 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-118-7608 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-118-8375 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-147-8669 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-148-8212 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
MIL-S-1222G Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0.50013UNC2BT1G2NSABM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS1222G,1/2IN13UNC2B Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-01-118-7604INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-118-7608INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-118-8375INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-147-8669INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-148-8212INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-118-7598?

NSN 5310-01-118-7598 is a Nut,plain,hexagon, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-118-7598?

NSN 5310-01-118-7598 has 4 cross-referenced part numbers: MIL-S-1222G (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 0.50013UNC2BT1G2NSABM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS1222G,1/2IN13UNC2B (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5310-01-118-7598?

There are 5 known substitutes for 5310-01-118-7598: 5310-01-118-7604, 5310-01-118-7608, 5310-01-118-8375 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-1222G?

Key specifications for MIL-S-1222G: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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