PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18133Nut,plain,hexagon

Hiller Aircraft Corporation · NSN 5310-00-208-8881 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-8881 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-8881. Primary manufacturer part number: 18133.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Quantity Per Inch: 18
  • Thread Series: UNF
  • Nominal Thread Size: 0.562 INCHES IN
  • Bearing Surface Type: FLAT
  • Width Across Flats: 0.873 INCHES NOMINAL IN
  • Thread Class: 3B
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-208-8881, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hiller Aircraft Corporation. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-8881
Primary Part Number18133
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHiller Aircraft Corporation
StatusACTIVE
Thread Quantity Per Inch18
Thread SeriesUNF
Nominal Thread Size0.562 INCHES IN
Bearing Surface TypeFLAT
Width Across Flats0.873 INCHES NOMINAL IN
Thread Class3B
Thread DirectionRIGHT-HAND
Nut Height0.180 INCHES NOMINAL IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 4140 OVERALL
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4130-01-460-3185 INTERCHANGEABLE
Vacu-Discs
6515-01-587-1700ZZ-0262 INTERCHANGEABLE
Tag,casualty Triage
North American Rescue, Llc
Cross-Reference Index
Part NumberManufacturer
18133 Botoman Mfg Co Inc (USA)
18133 PRIMARY Hiller Aircraft Corporation (USA)
Related Parts
4130-01-460-3185INTERCHANGEABLE
VACU-DISCS
6515-01-587-1700INTERCHANGEABLE
TAG,CASUALTY TRIAGE
ZZ-0262

Frequently Asked Questions

What is NSN 5310-00-208-8881?

NSN 5310-00-208-8881 is a Nut,plain,hexagon, manufactured by Hiller Aircraft Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-8881?

NSN 5310-00-208-8881 has 2 cross-referenced part numbers: 18133 (Botoman Mfg Co Inc), 18133 (Hiller Aircraft Corporation).

What NSN replaces 5310-00-208-8881?

There are 2 known substitutes for 5310-00-208-8881: 4130-01-460-3185, 6515-01-587-1700. Verify interchangeability with system specifications before substitution.

What are the specifications of 18133?

Key specifications for 18133: Thread Quantity Per Inch: 18; Thread Series: UNF; Nominal Thread Size: 0.562 INCHES IN; Bearing Surface Type: FLAT. 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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