Verified IPC identity record

130156-1

Cabin-pressure check valve

Direct answer

The IPC identifies 130156-1 as a Mod 25G172B check-valve assembly at Figure 21-30-05-20A item 250. The row prints quantity 2, references CMM 21-30-58, and directs spares orders to 130156-2.

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.

130156-1 verified catalog fields
Part number130156-1verified
Preferred nameCabin-pressure check valveverified
IPC nomenclatureValve assembly, check, Mod 25G172Bverified
SystemAir conditioning and pressurizationverified
Primary ATA chapter21verified
Lookup variants1301561, 130156 1verified
130156-1 catalog occurrences
Aircraft and publication scopeEffectivityFigure / itemQtyReview
Hawker 800XP, 850XP, and 900XP with kit 140-9004 publication scope8266-8277,8279-8279,8283-8284,8401-8401,8421-8421,8434-8434,8447-8447 as printed in the IPC export21-30-05-20A / 2502verified

Cross-reference check

Relationships and limits.

  • The 130156-1 row directs spares orders to 130156-2.
  • The row prints Mod 25G172B, quantity 2, and CMM 21-30-58.
  • The catalog line does not identify upper and lower by separate part number.
Important limit

Quantity 2 belongs to the figure assembly. Confirm whether the request is for the upper or lower installed position, plus aircraft serial, modification status, condition, and release.

Mechanic's lookup notes

Common questions about 130156-1.

What replaces 130156-1 for spares?

The reviewed IPC row directs the reader to order 130156-2 and marks the check-valve installation Mod 25G172B.

How many 130156-1 check valves are listed?

The Figure 21-30-05-20A row prints quantity 2 for the assembly.

Which CMM is referenced for 130156-1?

The IPC references CMM 21-30-58. The manual was not supplied, so inspection and overhaul limits are not stated here.

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.