PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-2177525-M5XX-12Nut,plain,hexagon

Naval Ship Systems Command · NSN 5310-01-344-5557 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-344-5557 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-344-5557. Primary manufacturer part number: 803-2177525-M5XX-12.
Features
  • Nut,plain,hexagon — FSC 5310
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-344-5557, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-344-5557
Primary Part Number803-2177525-M5XX-12
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-207-4732 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-511-3283 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
803-2177525-M5XX-12 Naval Ship Systems Command (USA)
0.56212UNC2BT3G400SNSA/BBA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6N514PC57 Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
Related Parts
5310-01-207-4732INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-511-3283INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-344-5557?

NSN 5310-01-344-5557 is a Nut,plain,hexagon, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-344-5557?

NSN 5310-01-344-5557 has 3 cross-referenced part numbers: 803-2177525-M5XX-12 (Naval Ship Systems Command), 0.56212UNC2BT3G400SNSA/BBA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6N514PC57 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).

What NSN replaces 5310-01-344-5557?

There are 2 known substitutes for 5310-01-344-5557: 5310-01-207-4732, 5310-01-511-3283. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-2177525-M5XX-12?

Key specifications for 803-2177525-M5XX-12: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER 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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