PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6X3-5-8Nut,plain,hexagon

Kaitlin Corp · NSN 5310-00-010-3030 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-010-3030 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-010-3030. Primary manufacturer part number: 6X3-5-8.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UNF
  • Hardness Rating: 80.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Quantity Per Inch: 18
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 STYLE AND B GRADE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-010-3030, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kaitlin Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-010-3030
Primary Part Number6X3-5-8
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKaitlin Corp
StatusCANCELLED
Thread SeriesUNF
Hardness Rating80.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.625 INCHES IN
Thread Quantity Per Inch18
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 4 STYLE AND B GRADE
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Nut Height0.535 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Width Across Flats0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-087-7070103030 INTERCHANGEABLE
Gasket
L3harris Technologies, Inc Div Space & Airborne Systems
1560-00-097-376812253 INTERCHANGEABLE
Window,enclosure Fr
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
2530-00-127-8684222941 INTERCHANGEABLE
Tank,pressure
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5133-00-189-9298 INTERCHANGEABLE
Drill,twist
2915-00-213-6679 INTERCHANGEABLE
Shaft and Stop Assembly
5120-00-293-01911124A INTERCHANGEABLE
Wrench,open End
Williams J H Industrial Products Inc
2530-00-439-9264169276 INTERCHANGEABLE
Nut,wheel
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6615-00-651-4634 INTERCHANGEABLE
Piston,gyro
5920-00-669-87821073 INTERCHANGEABLE
Fuseholder,block
Mersen Usa Ep Corp. Dba Ferraz Shawmut
1650-00-716-074312253 INTERCHANGEABLE
Cover,regulator
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
6X3-5-8 Kaitlin Corp (USA)
1124A Hercules Engine Co Inc (USA)
103030 Vauxhall Aftersales (GBR)
12253 Cummins Power Generation Inc. (USA)
103030 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
6X3-5-8 Kenworth Truck Co a Div of Paccar Inc (USA)
103030 Terex Equipment Ltd Div Construction Equipment (GBR)
0103030 Fabrication Specialty Inc Dba Fabrication Specialty Inc (USA)
D1060 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
D1060 Koehring Co Lorain Div (USA)
103030 General Motors Corp (USA)
MS35690-1024 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
103030 General Motors Corp Electro-Motive Div (USA)
1124A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
4601-52 Pdi Ground Support Systems, Inc. (USA)
N12311D Diamond Reo Truck Co (USA)
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
103030 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
103030 Fruehauf Corp (USA)
103030 Hercules Engine Co Inc (USA)
Related Parts
5330-00-087-7070INTERCHANGEABLE
GASKET
103030
1560-00-097-3768INTERCHANGEABLE
WINDOW,ENCLOSURE FR
12253
2530-00-127-8684INTERCHANGEABLE
TANK,PRESSURE
222941
5133-00-189-9298INTERCHANGEABLE
DRILL,TWIST
2915-00-213-6679INTERCHANGEABLE
SHAFT AND STOP ASSEMBLY
5120-00-293-0191INTERCHANGEABLE
WRENCH,OPEN END
1124A
2530-00-439-9264INTERCHANGEABLE
NUT,WHEEL
169276
6615-00-651-4634INTERCHANGEABLE
PISTON,GYRO
5920-00-669-8782INTERCHANGEABLE
FUSEHOLDER,BLOCK
1073
1650-00-716-0743INTERCHANGEABLE
COVER,REGULATOR
12253
3040-00-972-7959INTERCHANGEABLE
CAM,CONTROL
12253
6625-00-987-2281INTERCHANGEABLE
SHIELD,SWITCH
13949

Frequently Asked Questions

What is NSN 5310-00-010-3030?

NSN 5310-00-010-3030 is a Nut,plain,hexagon, manufactured by Kaitlin Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-010-3030?

NSN 5310-00-010-3030 has 23 cross-referenced part numbers: 6X3-5-8 (Kaitlin Corp), 1124A (Hercules Engine Co Inc), 103030 (Vauxhall Aftersales), 12253 (Cummins Power Generation Inc.), 103030 (Brinkley Technology Group Llc Dba Hercules Manufacturing) and 18 more.

What NSN replaces 5310-00-010-3030?

There are 12 known substitutes for 5310-00-010-3030: 5330-00-087-7070, 1560-00-097-3768, 2530-00-127-8684 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6X3-5-8?

Key specifications for 6X3-5-8: Thread Series: UNF; Hardness Rating: 80.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.625 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-010-3030 still in active supply?

NSN 5310-00-010-3030 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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