PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-857,TY 3,STY ANut,plain,hexagon

Naval Inventory Control Point Mechanicsburg · NSN 5310-01-202-3427 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-202-3427 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-202-3427. Primary manufacturer part number: MIL-B-857,TY 3,STY A.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Criticality Code Justification: ZZZY
  • Bearing Surface Type: WASHER FACED
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Quantity Per Inch: 10
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-202-3427, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5310-01-202-3427
Primary Part NumberMIL-B-857,TY 3,STY A
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Nut Height0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Criticality Code JustificationZZZY
Bearing Surface TypeWASHER FACED
Nominal Thread Size0.750 INCHES IN
Thread Quantity Per Inch10
MaterialNICKEL ALLOY OVERALL
Thread DirectionRIGHT-HAND
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Width Across Flats1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Thread Class2B
Material Document and ClassificationQQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-321-2418 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-037-3425 INTERCHANGEABLE
Nut,plain,hexagon
5306-01-038-0329 INTERCHANGEABLE
Bolt,machine
5310-01-038-0374 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-038-0375 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-038-0376 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-111-5215 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-111-7113 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-112-0299 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-112-0303 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
MIL-B-857,TY 3,STY A Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222/QQ-N-281 Naval Inventory Control Point Mechanicsburg (USA)
000.750-10UNC-2B Naval Inventory Control Point Mechanicsburg (USA)
MILB857 3/4-10UNC-2B Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-00-321-2418INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-037-3425INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5306-01-038-0329INTERCHANGEABLE
BOLT,MACHINE
5310-01-038-0374INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-038-0375INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-038-0376INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-111-5215INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-111-7113INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-112-0299INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-112-0303INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-113-8266INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-147-3725INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-202-3427?

NSN 5310-01-202-3427 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-202-3427?

NSN 5310-01-202-3427 has 6 cross-referenced part numbers: MIL-B-857,TY 3,STY A (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222/QQ-N-281 (Naval Inventory Control Point Mechanicsburg), 000.750-10UNC-2B (Naval Inventory Control Point Mechanicsburg) and 1 more.

What NSN replaces 5310-01-202-3427?

There are 12 known substitutes for 5310-01-202-3427: 5310-00-321-2418, 5310-01-037-3425, 5306-01-038-0329 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-857,TY 3,STY A?

Key specifications for MIL-B-857,TY 3,STY A: Nut Height: 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN; Nut Style: HEXAGON; Thread Series: UNIFIED NATIONAL COARSE (UNC); Criticality Code Justification: ZZZY. 13 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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