PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1227L636Nut,plain,hexagon

Meritor Heavy Vehicle Systems, Llc · NSN 5310-00-173-3066 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-173-3066 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-173-3066. Primary manufacturer part number: 1227L636.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.310 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Thread Series: UN
  • Nominal Thread Size: 1.625 INCHES IN
  • Bearing Surface Type: WASHER FACED
  • Material: STEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1212 OR STEEL COMP 1120 OVERALL
  • Width Across Flats: 2.060 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1015 or Steel Comp 1030 or Steel Comp 1212 or Steel Comp 1120 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-173-3066, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-173-3066
Primary Part Number1227L636
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusCANCELLED
Nut Height0.310 INCHES NOMINAL IN
Thread Quantity Per Inch16
Thread SeriesUN
Nominal Thread Size1.625 INCHES IN
Bearing Surface TypeWASHER FACED
MaterialSTEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1212 OR STEEL COMP 1120 OVERALL
Width Across Flats2.060 INCHES NOMINAL IN
Nut StyleHEXAGON
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Thread Class3B
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3455-00-065-099714975 INTERCHANGEABLE
File,rotary
Sgs Tool Co
2530-00-246-2869 INTERCHANGEABLE
Boot,vehicular Components
5340-00-349-905614-975 INTERCHANGEABLE
Cover,access
Dresser Industries Inc Leroi Div
9540-00-542-2746 INTERCHANGEABLE
Beam,structural
1660-00-633-259114975 INTERCHANGEABLE
Lever Assy,demand V
Mission Systems Orchard Park Inc
5950-00-944-084714975 INTERCHANGEABLE
Transformer,audio Frequency
Robert M. Hadley Company, Inc.
5320-01-113-5215NAS1497-05 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-325-57761-4975 INTERCHANGEABLE
Nut,plain,hexagon
Roconex Corporation
5345-01-345-7235 INTERCHANGEABLE
Disk,abrasive
4240-01-696-537714975 INTERCHANGEABLE
Helmet,welder's
Kimberly Clark
Cross-Reference Index
Part NumberManufacturer
14975 Tld Wollard Llc (USA)
1227L636X Meritor Heavy Vehicle Systems, Llc (USA)
NW14975 Tld Wollard Llc (USA)
1227L636 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
3455-00-065-0997INTERCHANGEABLE
FILE,ROTARY
14975
2530-00-246-2869INTERCHANGEABLE
BOOT,VEHICULAR COMPONENTS
5340-00-349-9056INTERCHANGEABLE
COVER,ACCESS
14-975
9540-00-542-2746INTERCHANGEABLE
BEAM,STRUCTURAL
1660-00-633-2591INTERCHANGEABLE
LEVER ASSY,DEMAND V
14975
5950-00-944-0847INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
14975
5320-01-113-5215INTERCHANGEABLE
PIN-RIVET
NAS1497-05
5310-01-325-5776INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1-4975
5345-01-345-7235INTERCHANGEABLE
DISK,ABRASIVE
4240-01-696-5377INTERCHANGEABLE
HELMET,WELDER'S
14975

Frequently Asked Questions

What is NSN 5310-00-173-3066?

NSN 5310-00-173-3066 is a Nut,plain,hexagon, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-173-3066?

NSN 5310-00-173-3066 has 4 cross-referenced part numbers: 14975 (Tld Wollard Llc), 1227L636X (Meritor Heavy Vehicle Systems, Llc), NW14975 (Tld Wollard Llc), 1227L636 (Meritor Heavy Vehicle Systems, Llc).

What NSN replaces 5310-00-173-3066?

There are 10 known substitutes for 5310-00-173-3066: 3455-00-065-0997, 2530-00-246-2869, 5340-00-349-9056 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1227L636?

Key specifications for 1227L636: Nut Height: 0.310 INCHES NOMINAL IN; Thread Quantity Per Inch: 16; Thread Series: UN; Nominal Thread Size: 1.625 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-173-3066 still in active supply?

NSN 5310-00-173-3066 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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