PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4577-FPC26Nut,self-Locking,hexagon

Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa · NSN 5310-01-213-5388 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-213-5388 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-213-5388. Primary manufacturer part number: 4577-FPC26.
Features
  • Nut,self-Locking,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
  • 7 verified cross-references
  • Primary manufacturer: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-213-5388, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5310-01-213-5388
Primary Part Number4577-FPC26
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAtwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
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
5310-01-122-5815 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-212-5696 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
4577-FPC26 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
688-1864 APPX 2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
23710PC23 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
4497645PC7 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
23710PC23 Moog Inc (USA)
0.750-10UNC-3B LEVEL 1 Naval Inventory Control Point Mechanicsburg (USA)
23710PC23 E-Systems Inc Montek Div Fluid Controls Opns (USA)
Related Parts
5310-01-122-5815INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-212-5696INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-213-5388?

NSN 5310-01-213-5388 is a Nut,self-Locking,hexagon, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-213-5388?

NSN 5310-01-213-5388 has 7 cross-referenced part numbers: 4577-FPC26 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 688-1864 APPX 2 (Electric Boat Corporation Div General Dynamics Electric Boat), 23710PC23 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 4497645PC7 (Huntington Ingalls Inc Div Newport News Shipbuilding), 23710PC23 (Moog Inc) and 2 more.

What NSN replaces 5310-01-213-5388?

There are 2 known substitutes for 5310-01-213-5388: 5310-01-122-5815, 5310-01-212-5696. Verify interchangeability with system specifications before substitution.

What are the specifications of 4577-FPC26?

Key specifications for 4577-FPC26: 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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