HawkerAircraft Parts

Verified IPC identity record

AC69784

Emergency reducing valve assembly

Direct answer

The IPC identifies AC69784 as the emergency reducing valve assembly with MOD 253522A. It appears in ATA 32 at Figure 32-40-10-10, item 170 and Figure 32-40-20-10, item 20, with one unit per assembly and effectivity 8266-8999. The two rows print different CMM references, so the current technical-data reference must be confirmed.

Last source review:
Purchase or request quotes Parts sourcing support

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.

AC69784 verified catalog fields
Part numberAC69784verified
Preferred nameEmergency reducing valve assemblyverified
IPC nomenclatureEmergency reducing valve assembly, MOD 253522Averified
SystemLanding gear and brakesverified
Primary ATA chapter32verified
Lookup variantsAC-69784verified
AC69784 catalog occurrences
Aircraft and publication scopeEffectivityFigure / itemQtyReview
Hawker 800XP, 850XP, and 900XP with kit 140-9004 publication scope8266-8999 as printed in the IPC export32-40-10-10 / 1701verified
Hawker 800XP, 850XP, and 900XP with kit 140-9004 publication scope8266-8999 as printed in the IPC export32-40-20-10 / 201verified

Cross-reference check

Relationships and limits.

  • Both reviewed rows identify AC69784 with MOD 253522A and the same effectivity.
  • The valve-and-mounting row prints CMM 32-44-32.
  • The wheel-brake piping row prints vendor CMM 29-09-08, which conflicts with the other row.
Important limit

Figure 32-40-10-10 prints CMM 32-44-32, while Figure 32-40-20-10 prints vendor CMM 29-09-08. This page does not resolve that source conflict.

Mechanic's lookup notes

Common questions about AC69784.

What modification is printed for AC69784?

Both reviewed ATA 32 rows print MOD 253522A. Confirm the offered unit's modification status from its identification and release documentation.

Which CMM applies to AC69784?

The supplied export is not consistent. One row prints CMM 32-44-32 and the other prints vendor CMM 29-09-08. Check the current IPC and applicable approved data before maintenance.

Does the CMM conflict change the verified part identity?

No. Both rows still identify AC69784, one unit per assembly, and effectivity 8266-8999. The conflict affects the maintenance-reference trail and must remain visible.

Technical sources

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

    Document
    IPC-800XP
    Revision
    A0
    Published
    2026-02-05
    Supports
    AC69784 identity, nomenclature, 32-40-10-10 item 170, 32-40-20-10 item 20, quantity, and effectivity as printed in the supplied export.

Purchase or request quotes

Open a supplier or RFQ source below. Confirm effectivity, traceability, certification, condition, price, and current availability directly with the source.

Same system

Related published records.

AC61518Brake reducing valveAC67732Brake control valve assemblyTP42000Emergency brake pressure switchAH081963Outer shuttle valve assemblyAH081964Inner shuttle valve assembly