PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21148Nut,plain,hexagon

Hf Scientific Inc. · NSN 5310-01-351-2598 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-351-2598 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-351-2598. Primary manufacturer part number: 21148.
Features
  • Nut,plain,hexagon — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Hf Scientific Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-351-2598, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hf Scientific Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,plain,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersHf Scientific Inc. (CAGE 58177)
Technical Specifications
ParameterValue
NSN5310-01-351-2598
Primary Part Number21148
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHf Scientific Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5920-00-280-317810018550-124 INTERCHANGEABLE
Fuse,cartridge
Us Army Aviation and Missile Command
6625-00-395-9313525R INTERCHANGEABLE
Lead Set,test
Entron Industries Limited Partnership Dba Entron Industries Property Div
5305-00-527-552521148 INTERCHANGEABLE
Setscrew
Raytheon Company Dba Raytheon
5999-01-095-535421148 INTERCHANGEABLE
Bus Bar Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3040-01-165-590121148 INTERCHANGEABLE
Shaft,shouldered
Industrial Technologies and Services Llc
4810-01-303-389321148 INTERCHANGEABLE
Sleeve and Slide,directional Con
Parker Hannifin Corporation Div Hydraulic Systems Division
5930-01-547-230821148 INTERCHANGEABLE
Switch,pressure
World Magnetics Company Llc
Cross-Reference Index
Part NumberManufacturer
21148 PRIMARY Hf Scientific Inc. (USA)
Related Parts
5920-00-280-3178INTERCHANGEABLE
FUSE,CARTRIDGE
10018550-124
6625-00-395-9313INTERCHANGEABLE
LEAD SET,TEST
525R
5305-00-527-5525INTERCHANGEABLE
SETSCREW
21148
5999-01-095-5354INTERCHANGEABLE
BUS BAR ASSEMBLY
21148
3040-01-165-5901INTERCHANGEABLE
SHAFT,SHOULDERED
21148
4810-01-303-3893INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21148
5930-01-547-2308INTERCHANGEABLE
SWITCH,PRESSURE
21148

Frequently Asked Questions

What is NSN 5310-01-351-2598?

NSN 5310-01-351-2598 is a Nut,plain,hexagon, manufactured by Hf Scientific Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-351-2598?

NSN 5310-01-351-2598 has 1 cross-referenced part number: 21148 (Hf Scientific Inc.).

What NSN replaces 5310-01-351-2598?

There are 7 known substitutes for 5310-01-351-2598: 5920-00-280-3178, 6625-00-395-9313, 5305-00-527-5525 and 4 more. Verify interchangeability with system specifications before substitution.

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