PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18188Body,oil Relief Valve

Hiller Aircraft Corporation · NSN 2805-00-210-5215 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-210-5215 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-210-5215. Primary manufacturer part number: 18188.
Features
  • Body,oil Relief Valve — FSC 2805
  • General Characteristics Item Description: STEEL,2.160 IN. MIN,2.190 IN. MAX O/A LG,0.500IN.-20,NF-3 MALE THD ONE END,OTHER END 0.805 IN. MIN,0.815 IN. MAX HEXAGON W,DRILLED THROUGH WITH 9-16 IN.-18 NF3 INTERNAL THD 0.560 IN. DEEP IN
  • 3 verified cross-references
  • Primary manufacturer: Hiller Aircraft Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Body,oil Relief Valve, cataloged under National Stock Number 2805-00-210-5215, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Hiller Aircraft Corporation. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-210-5215
Primary Part Number18188
Item NameBody,oil Relief Valve
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerHiller Aircraft Corporation
StatusACTIVE
General Characteristics Item DescriptionSTEEL,2.160 IN. MIN,2.190 IN. MAX O/A LG,0.500IN.-20,NF-3 MALE THD ONE END,OTHER END 0.805 IN. MIN,0.815 IN. MAX HEXAGON W,DRILLED THROUGH WITH 9-16 IN.-18 NF3 INTERNAL THD 0.560 IN. DEEP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2805-00-273-039318-188 INTERCHANGEABLE
Ring,piston
Dresser Industries Inc Leroi Div
5330-00-737-287218188 INTERCHANGEABLE
Gasket
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5930-01-167-182510513139 INTERCHANGEABLE
Switch,sensitive
General Dynamics Land Systems Canadacorp
5950-01-175-5108 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
18188 Hiller Aircraft Corporation (USA)
18188 Soon Air Co (USA)
18188 Botoman Mfg Co Inc (USA)
Related Parts
2805-00-273-0393INTERCHANGEABLE
RING,PISTON
18-188
5330-00-737-2872INTERCHANGEABLE
GASKET
18188
5930-01-167-1825INTERCHANGEABLE
SWITCH,SENSITIVE
10513139
5950-01-175-5108INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 2805-00-210-5215?

NSN 2805-00-210-5215 is a Body,oil Relief Valve, manufactured by Hiller Aircraft Corporation, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-210-5215?

NSN 2805-00-210-5215 has 3 cross-referenced part numbers: 18188 (Hiller Aircraft Corporation), 18188 (Soon Air Co), 18188 (Botoman Mfg Co Inc).

What NSN replaces 2805-00-210-5215?

There are 4 known substitutes for 2805-00-210-5215: 2805-00-273-0393, 5330-00-737-2872, 5930-01-167-1825 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18188?

Key specifications for 18188: General Characteristics Item Description: STEEL,2.160 IN. MIN,2.190 IN. MAX O/A LG,0.500IN.-20,NF-3 MALE THD ONE END,OTHER END 0.805 IN. MIN,0.815 IN. MAX HEXAGON W,DRILLED THROUGH WITH 9-16 IN.-18 NF3 INTERNAL THD 0.560 IN. DEEP IN. 1 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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