PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221371Nut,plain,hexagon

Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling · NSN 5310-01-100-0204 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-100-0204 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-100-0204. Primary manufacturer part number: 221371.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Series: UNF
  • Bearing Surface Type: FLAT
  • Nominal Thread Size: 1.125 INCHES IN
  • Material Document and Classification: HCE-545 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Thread Quantity Per Inch: 12
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 5310-01-100-0204, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-100-0204
Primary Part Number221371
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread SeriesUNF
Bearing Surface TypeFLAT
Nominal Thread Size1.125 INCHES IN
Material Document and ClassificationHCE-545 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Thread Quantity Per Inch12
Nut Height0.939 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN
Width Across Flats1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
Thread Class3B
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-701-4994221371 INTERCHANGEABLE
Kit,exhaust Valve
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5330-01-219-67732-21371 INTERCHANGEABLE
Seal
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
221371 PRIMARY Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
221371 Hyster-Yale Group, Inc. (USA)
31FC1812 Hein Werner Corp (USA)
Related Parts
2530-00-701-4994INTERCHANGEABLE
KIT,EXHAUST VALVE
221371
5330-01-219-6773INTERCHANGEABLE
SEAL
2-21371

Frequently Asked Questions

What is NSN 5310-01-100-0204?

NSN 5310-01-100-0204 is a Nut,plain,hexagon, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-100-0204?

NSN 5310-01-100-0204 has 3 cross-referenced part numbers: 221371 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 221371 (Hyster-Yale Group, Inc.), 31FC1812 (Hein Werner Corp).

What NSN replaces 5310-01-100-0204?

There are 2 known substitutes for 5310-01-100-0204: 2530-00-701-4994, 5330-01-219-6773. Verify interchangeability with system specifications before substitution.

What are the specifications of 221371?

Key specifications for 221371: Thread Direction: RIGHT-HAND; Thread Series: UNF; Bearing Surface Type: FLAT; Nominal Thread Size: 1.125 INCHES IN. 11 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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