PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90185Nut,plain,castellated,hexagon

L3 Technologies, Inc. Div L3 Keo · NSN 5310-01-036-5436 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-036-5436 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-036-5436. Primary manufacturer part number: 90185.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Width Across Flats: 0.250 INCHES NOMINAL IN
  • Thread Class: 3B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 40
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-036-5436, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-036-5436
Primary Part Number90185
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Width Across Flats0.250 INCHES NOMINAL IN
Thread Class3B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch40
Bearing Surface TypeFLAT
Nut Height0.150 INCHES NOMINAL IN
Nominal Thread Size0.112 INCHES IN
Nut StyleCASTELLATED, HEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-507-83245590 INTERCHANGEABLE
Switch,toggle
Cole Hersee Company
6532-01-366-320079-90185 INTERCHANGEABLE
Shoe,post-Operative
Djo Llc
Cross-Reference Index
Part NumberManufacturer
103A901776 L3 Technologies, Inc. Div L3 Keo (USA)
103A901776 Zf Industrieantriebe Witten Gmbh (DEU)
90185 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
885F052004 ITEM 48 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
5930-00-507-8324INTERCHANGEABLE
SWITCH,TOGGLE
5590
6532-01-366-3200INTERCHANGEABLE
SHOE,POST-OPERATIVE
79-90185

Frequently Asked Questions

What is NSN 5310-01-036-5436?

NSN 5310-01-036-5436 is a Nut,plain,castellated,hexagon, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-036-5436?

NSN 5310-01-036-5436 has 4 cross-referenced part numbers: 103A901776 (L3 Technologies, Inc. Div L3 Keo), 103A901776 (Zf Industrieantriebe Witten Gmbh), 90185 (L3 Technologies, Inc. Div L3 Keo), 885F052004 ITEM 48 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5310-01-036-5436?

There are 2 known substitutes for 5310-01-036-5436: 5930-00-507-8324, 6532-01-366-3200. Verify interchangeability with system specifications before substitution.

What are the specifications of 90185?

Key specifications for 90185: Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL; Width Across Flats: 0.250 INCHES NOMINAL IN; Thread Class: 3B. 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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