PartsTable
Technical Data Sheet

72553/2 — RESPIRATOR,AIR FILTERING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

72553/2: RESPIRATOR,AIR FILTERING.

The RESPIRATOR,AIR FILTERING is a the manufacturer industrial component. Key specifications include end_item_identification: TRISTAR AIRCRAFT, part_name_assigned_by_controlling_agency: SHUTTLE VALVE ASSEMBLY ACTUATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-518-1575, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
72553/2
NSN: 4820-01-518-1575
NIINs: 015181575, 015684684
FSC: 4820 — Valves, Nonpowered
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
end_item_identificationTRISTAR AIRCRAFT
part_name_assigned_by_controlling_agencySHUTTLE VALVE ASSEMBLY ACTUATOR
NSN4820-01-518-1575
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 72553/2 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYSHUTTLE VALVE ASSEMBLY ACTUATOR
END ITEM IDENTIFICATIONTRISTAR AIRCRAFT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72553/2?
72553/2 is a RESPIRATOR,AIR FILTERING.
What is the NSN for 72553/2?
72553/2 is cataloged in the U.S. Government catalog under NSN 4820-01-518-1575. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.