PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6607WNut,plain,hexagon

Allied Systems Company Dba Allied Systems Co · NSN 5310-00-426-7904 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-426-7904 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-426-7904. Primary manufacturer part number: 6607W.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN
  • Thread Series: UN
  • Nominal Thread Size: 2.500 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 16
  • Nut Style: HEXAGON
  • Thread Direction: RIGHT-HAND
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 5310-00-426-7904, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-426-7904
Primary Part Number6607W
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Width Across Flats3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN
Thread SeriesUN
Nominal Thread Size2.500 INCHES IN
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch16
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Thread Class2B
Nut Height1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1560-00-325-9867S1530-80943 INTERCHANGEABLE
Flange,extension,fuel Line
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
3110-00-630-33116607 INTERCHANGEABLE
Roller,bearing
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5325-01-284-26796607 INTERCHANGEABLE
Ring,retaining
Bird Products Corp
2940-01-438-490046607 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
6150-01-483-7345132108-20 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bay Electronics Inc Dba Bay Electronics Inc
Cross-Reference Index
Part NumberManufacturer
6607W PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
6607 Hyster-Yale Group, Inc. (USA)
Related Parts
1560-00-325-9867INTERCHANGEABLE
FLANGE,EXTENSION,FUEL LINE
S1530-80943
3110-00-630-3311INTERCHANGEABLE
ROLLER,BEARING
6607
5325-01-284-2679INTERCHANGEABLE
RING,RETAINING
6607
2940-01-438-4900INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46607
6150-01-483-7345INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
132108-20

Frequently Asked Questions

What is NSN 5310-00-426-7904?

NSN 5310-00-426-7904 is a Nut,plain,hexagon, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-426-7904?

NSN 5310-00-426-7904 has 2 cross-referenced part numbers: 6607W (Allied Systems Company Dba Allied Systems Co), 6607 (Hyster-Yale Group, Inc.).

What NSN replaces 5310-00-426-7904?

There are 5 known substitutes for 5310-00-426-7904: 1560-00-325-9867, 3110-00-630-3311, 5325-01-284-2679 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6607W?

Key specifications for 6607W: Width Across Flats: 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN; Thread Series: UN; Nominal Thread Size: 2.500 INCHES IN; Bearing Surface Type: CHAMFERED. 10 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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