PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400388Nut,self-Locking,hexagon

Tri-Tec Manufacturing Llc · NSN 5310-01-643-4974 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-643-4974 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-643-4974. Primary manufacturer part number: 400388.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-643-4974, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 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)
ManufacturersTri-Tec Manufacturing Llc (CAGE 98032)
Technical Specifications
ParameterValue
NSN5310-01-643-4974
Primary Part Number400388
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5998-01-099-1597400388 INTERCHANGEABLE
Circuit Card Assembly
Dictaphone Corporation
4720-01-164-7306300842 INTERCHANGEABLE
Hose,preformed
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
6515-01-515-5412300-842 INTERCHANGEABLE
Tubing,smoke Evacuator,laser
Marina Medical Instruments, Inc. Dba Marina Medical Instrument
4820-01-535-4137300842 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4820-01-590-6597 INTERCHANGEABLE
Gear Operator,valve
5305-01-643-1595810226 INTERCHANGEABLE
Screw,cap,socket Head
Tri-Tec Manufacturing Llc
5305-01-643-5046400099 INTERCHANGEABLE
Screw,cap,socket Head
Tri-Tec Manufacturing Llc
5305-01-643-5062810318-2 INTERCHANGEABLE
Setscrew
Tri-Tec Manufacturing Llc
5305-01-643-5070810625 INTERCHANGEABLE
Screw,cap,socket Head
Tri-Tec Manufacturing Llc
3020-01-643-5106300431-1 INTERCHANGEABLE
Gear Sector,spur
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
400388 PRIMARY Tri-Tec Manufacturing Llc (USA)
300842 Tri-Tec Manufacturing Llc (USA)
300842-22 Tri-Tec Manufacturing Llc (USA)
Related Parts
5998-01-099-1597INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
400388
4720-01-164-7306INTERCHANGEABLE
HOSE,PREFORMED
300842
6515-01-515-5412INTERCHANGEABLE
TUBING,SMOKE EVACUATOR,LASER
300-842
4820-01-535-4137INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
300842
4820-01-590-6597INTERCHANGEABLE
GEAR OPERATOR,VALVE
5305-01-643-1595INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
810226
5305-01-643-5046INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
400099
5305-01-643-5062INTERCHANGEABLE
SETSCREW
810318-2
5305-01-643-5070INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
810625
3020-01-643-5106INTERCHANGEABLE
GEAR SECTOR,SPUR
300431-1

Frequently Asked Questions

What is NSN 5310-01-643-4974?

NSN 5310-01-643-4974 is a Nut,self-Locking,hexagon, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-643-4974?

NSN 5310-01-643-4974 has 3 cross-referenced part numbers: 400388 (Tri-Tec Manufacturing Llc), 300842 (Tri-Tec Manufacturing Llc), 300842-22 (Tri-Tec Manufacturing Llc).

What NSN replaces 5310-01-643-4974?

There are 10 known substitutes for 5310-01-643-4974: 5998-01-099-1597, 4720-01-164-7306, 6515-01-515-5412 and 7 more. Verify interchangeability with system specifications before substitution.

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