Hawker 800XP 102466-5 to 102466-13 Pressure Regulator

The replacement answer

The catalog prints a direct two-number path:

102466-5 to 102466-13

Both 102466-5 rows say to order 102466-13 for spares. Both 102466-13 rows say the -13 unit is the spares replacement for 102466-5.

That relationship is stronger than a supplier cross-reference because it is printed in the IPC. The aircraft serial and modification status still stay on the check.

Figure 21-30-05-10 item 105

The base-number row is marked pre Mod 25G173A/B. The replacement row is marked Mod 25G173A/B.

Both print quantity 2 and use the same serial-effectivity block for this figure. The 102466-13 row also references CMM 21-30-57.

This is the cleanest row pair for showing the modification transition in the catalog.

Figure 21-30-05-10B item 200

The 10B figure uses Mod 25G173B language on both the base and replacement records.

The printed effectivity is not identical:

• the 102466-5 row ends at serial 8982 and contains the source’s printed omissions
• the 102466-13 row continues through 8999 with its own printed serial block

That difference is retained exactly on the individual part records. It should not be corrected or smoothed into a range that the source does not print.

Quantity 2 does not mean two row totals

Each row prints quantity 2 for the applicable assembly. The base and replacement lines are alternative records within the same item stack, not four regulators to add together.

When the request comes in, identify whether the shop needs one removed-position replacement, a matched pair, or support for both installed positions. The quote quantity should follow the actual maintenance requirement.

What to verify on an offered -13 unit

Check the complete part number and data plate first. Then confirm:

• aircraft serial
• Mod 25G173A/B status
• installed position
• unit serial number
• condition and release
• traceability
• warranty
• exchange or core terms, if applicable
• any quote limitation tied to modification state

The IPC’s forward-order statement does not replace those receiving and installation checks.

Keep function and maintenance limits separate

The IPC calls the component an absolute air-pressure regulator. Other records may call it a cabin regulator or absolute pressure control. Those names help with lookup, but they do not supply pressure settings or adjustment instructions.

CMM 21-30-57 is referenced on the -13 rows. Use the current applicable manual and aircraft maintenance data for test limits, calibration, removal, installation, and return to service.