Verified IPC identity record

AIR45418

Hydraulic inward-relief valve

Direct answer

AIR45418 is the inward-relief valve assembly at Figure 29-10-05-40, item 235. The IPC prints quantity 1, CMM 29-10-11, a four-serial exclusion effectivity string, and a spares direction to AIR45418-0.

Last source review:

IPC record

Identity and application.

The reviewed catalog row establishes the part identity and its location in the combined Hawker IPC. It does not establish the condition of a particular unit or approve that unit for installation.

AIR45418 verified catalog fields
Part numberAIR45418verified
Preferred nameHydraulic inward-relief valveverified
IPC nomenclatureValve assembly, inward reliefverified
SystemHydraulic powerverified
Primary ATA chapter29verified
Lookup variantsAIR-45418verified
AIR45418 catalog occurrences
Aircraft and publication scopeEffectivityFigure / itemQtyReview
Hawker 800XP, 850XP, and 900XP with kit 140-9004 publication scope8266-8400,8402-8420,8422-8433,8435-8445,8448-8999 as printed in the IPC export29-10-05-40 / 2351verified

Cross-reference check

Relationships and limits.

  • The base-number row directs spares orders to AIR45418-0.
  • The catalog references CMM 29-10-11 and excludes four individual serials from the printed range.
Important limit

The source excludes serials 8401, 8421, 8434, and 8447 from this row. Confirm those aircraft separately and keep the inward-relief description with the request.

Mechanic's lookup notes

Common questions about AIR45418.

What replaces AIR45418 for spares?

The reviewed IPC directs spares orders to AIR45418-0.

Which serials are excluded from the AIR45418 row?

The printed range omits 8401, 8421, 8434, and 8447.

Technical sources

  1. Hawker 800XP, 850XP and 900XP Illustrated Parts CatalogTextron Aviation

    Document
    IPC-800XP
    Revision
    A0
    Published
    2026-02-05
    Supports
    Part identities, nomenclature, figure and item references, quantity, effectivity, and relationship language as printed in the supplied IPC export.