PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H547-1721-12D4Nut,self-Locking,hexagon

Naval Inventory Control Point Mechanicsburg · NSN 5310-01-540-9436 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-540-9436 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-540-9436. Primary manufacturer part number: H547-1721-12D4.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Criticality Code Justification: ZZZX
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS CRITICAL ITEM FOR SAFETY AND SURVIVAL OF SPECIAL TEST FEATURES
  • 36 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-540-9436, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 36 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-540-9436
Primary Part NumberH547-1721-12D4
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Criticality Code JustificationZZZX
Departure From Cited DesignatorMATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS CRITICAL ITEM FOR SAFETY AND SURVIVAL OF SPECIAL TEST FEATURES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-01-206-2821 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-270-8662845-7284929-ITEM NO-26 INTERCHANGEABLE
Nut,self-Locking,hexagon
Naval Sea Systems Command
5310-01-418-3846 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
H547-1721-12D4 Naval Inventory Control Point Mechanicsburg (USA)
H547-1721-3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H5471721-023D4 Naval Inventory Control Point Mechanicsburg (USA)
167-7107111-3D4 Naval Inventory Control Point Mechanicsburg (USA)
7383858-H5471902A-83D4 Naval Inventory Control Point Mechanicsburg (USA)
167-7108111-12D4 Naval Inventory Control Point Mechanicsburg (USA)
167-7107111-3 Naval Sea Systems Command (USA)
7384568 PN 110D4 Naval Inventory Control Point Mechanicsburg (USA)
7383858-H5471721-012 Naval Sea Systems Command (USA)
218020474FA Electric Boat Corporation Div General Dynamics Electric Boat (USA)
218020474FAD4 Naval Inventory Control Point Mechanicsburg (USA)
167-7066802-83 Naval Sea Systems Command (USA)
H547-0001-H5471721-012D4 Naval Inventory Control Point Mechanicsburg (USA)
H547-0001-H5471902A-83 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
M25027/1-8CD4 Naval Inventory Control Point Mechanicsburg (USA)
M25027/1-8C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
G547-3100 PN 110D4 Naval Inventory Control Point Mechanicsburg (USA)
G5473100-0110 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H547-1902-83 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H5471721-023 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5310-01-206-2821INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-270-8662INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
845-7284929-ITEM NO-26
5310-01-418-3846INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-540-9436?

NSN 5310-01-540-9436 is a Nut,self-Locking,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 5310-01-540-9436?

NSN 5310-01-540-9436 has 36 cross-referenced part numbers: H547-1721-12D4 (Naval Inventory Control Point Mechanicsburg), H547-1721-3 (Electric Boat Corporation Div General Dynamics Electric Boat), H5471721-023D4 (Naval Inventory Control Point Mechanicsburg), 167-7107111-3D4 (Naval Inventory Control Point Mechanicsburg), 7383858-H5471902A-83D4 (Naval Inventory Control Point Mechanicsburg) and 31 more.

What NSN replaces 5310-01-540-9436?

There are 3 known substitutes for 5310-01-540-9436: 5310-01-206-2821, 5310-01-270-8662, 5310-01-418-3846. Verify interchangeability with system specifications before substitution.

What are the specifications of H547-1721-12D4?

Key specifications for H547-1721-12D4: Criticality Code Justification: ZZZX; End Item Identification: OPERATOR,LOT HATCH; Part Name Assigned by Controlling Agency: (INAVY)NUT,SELF-LOCKING,HEX; Departure From Cited Designator: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS CRITICAL ITEM FOR SAFETY AND SURVIVAL OF SPECIAL TEST FEATURES. 4 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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