PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-121Nut,self-Locking,hexagon

Konrad Marine Inc Div Konrad Marine · NSN 5310-01-728-1549 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-728-1549 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-728-1549. Primary manufacturer part number: 70-121.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Konrad Marine Inc Div Konrad Marine
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-728-1549, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Konrad Marine Inc Div Konrad Marine. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersKonrad Marine Inc Div Konrad Marine (CAGE 1PQ32)
Technical Specifications
ParameterValue
NSN5310-01-728-1549
Primary Part Number70-121
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKonrad Marine Inc Div Konrad Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-082-4890 INTERCHANGEABLE
Terminal,stud
2520-00-734-936670-12-1 INTERCHANGEABLE
Interlock Power Tak
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5330-00-998-0635N70121 INTERCHANGEABLE
Packing Assembly
Leslie Controls, Inc. Dba Leslie Controls Inc
6515-01-121-0990MDS160644 INTERCHANGEABLE
Stockings,anti-Embolism
Medline Industries, Lp
7021-01-333-829070-121 INTERCHANGEABLE
Computer,digital
International Business Machines Corp Parts Order Center Dept E - 54
1005-01-480-475770121 INTERCHANGEABLE
Retainer,gun Component
Benelli U.s.a. Corporation
1660-01-525-2142701-21 INTERCHANGEABLE
Heater,aircraft
Textron Aviation Inc
4720-01-692-7153701-21 INTERCHANGEABLE
Hose,nonmetallic
Blacoh Fluid Controls Inc
Cross-Reference Index
Part NumberManufacturer
70-121 PRIMARY Konrad Marine Inc Div Konrad Marine (USA)
Related Parts
5940-00-082-4890INTERCHANGEABLE
TERMINAL,STUD
2520-00-734-9366INTERCHANGEABLE
INTERLOCK POWER TAK
70-12-1
5330-00-998-0635INTERCHANGEABLE
PACKING ASSEMBLY
N70121
6515-01-121-0990INTERCHANGEABLE
STOCKINGS,ANTI-EMBOLISM
MDS160644
7021-01-333-8290INTERCHANGEABLE
COMPUTER,DIGITAL
70-121
1005-01-480-4757INTERCHANGEABLE
RETAINER,GUN COMPONENT
70121
1660-01-525-2142INTERCHANGEABLE
HEATER,AIRCRAFT
701-21
4720-01-692-7153INTERCHANGEABLE
HOSE,NONMETALLIC
701-21

Frequently Asked Questions

What is NSN 5310-01-728-1549?

NSN 5310-01-728-1549 is a Nut,self-Locking,hexagon, manufactured by Konrad Marine Inc Div Konrad Marine, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-728-1549?

NSN 5310-01-728-1549 has 1 cross-referenced part number: 70-121 (Konrad Marine Inc Div Konrad Marine).

What NSN replaces 5310-01-728-1549?

There are 8 known substitutes for 5310-01-728-1549: 5940-00-082-4890, 2520-00-734-9366, 5330-00-998-0635 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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