PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-857ANut,plain,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-120-3314 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-120-3314 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-120-3314. Primary manufacturer part number: MIL-B-857A.
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 5310-01-120-3314, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-120-3314
Primary Part NumberMIL-B-857A
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 12
5306-00-174-4166 INTERCHANGEABLE
Bolt,machine
5306-00-174-9470 INTERCHANGEABLE
Bolt,machine
5306-00-174-9475 INTERCHANGEABLE
Bolt,machine
5306-00-174-9481 INTERCHANGEABLE
Bolt,machine
5306-00-174-9510 INTERCHANGEABLE
Bolt,machine
5306-00-226-9876280450PC290 INTERCHANGEABLE
Bolt,machine
Naval Sea Systems Command
5306-00-227-0931 INTERCHANGEABLE
Bolt,machine
5310-01-038-0377 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-038-0382 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-111-0634 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
MIL-B-857A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
000.500-13UNC-2B Naval Inventory Control Point Mechanicsburg (USA)
MIL-B-857A/QQ-N-286 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB857A,TY3STYA 1/2-13UNC-2B Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5306-00-174-4166INTERCHANGEABLE
BOLT,MACHINE
5306-00-174-9470INTERCHANGEABLE
BOLT,MACHINE
5306-00-174-9475INTERCHANGEABLE
BOLT,MACHINE
5306-00-174-9481INTERCHANGEABLE
BOLT,MACHINE
5306-00-174-9510INTERCHANGEABLE
BOLT,MACHINE
5306-00-226-9876INTERCHANGEABLE
BOLT,MACHINE
280450PC290
5306-00-227-0931INTERCHANGEABLE
BOLT,MACHINE
5310-01-038-0377INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-038-0382INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-111-0634INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-111-0640INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-111-0643INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-120-3314?

NSN 5310-01-120-3314 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 5310-01-120-3314?

NSN 5310-01-120-3314 has 4 cross-referenced part numbers: MIL-B-857A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 000.500-13UNC-2B (Naval Inventory Control Point Mechanicsburg), MIL-B-857A/QQ-N-286 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB857A,TY3STYA 1/2-13UNC-2B (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5310-01-120-3314?

There are 12 known substitutes for 5310-01-120-3314: 5306-00-174-4166, 5306-00-174-9470, 5306-00-174-9475 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-857A?

Key specifications for MIL-B-857A: 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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