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P522958 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P522958: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL OVERALL, nominal_length: 1.840 INCHES ALL ENDS IN, special_features: SOLID RUBBER, style_designator: STRAIGHT THRU W/BAFFLE, nominal_outside_diameter: 2.240 INCHES ALL ENDS IN, part_name_assigned_by_controlling_agency: VACTUATOR VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-522-3356, 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
P522958
NSN: 4820-01-522-3356
FSC: 4820 — Valves, Nonpowered
CAGE: 18265 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER NATURAL OVERALL
nominal_length1.840 INCHES ALL ENDS IN
special_featuresSOLID RUBBER
style_designatorSTRAIGHT THRU W/BAFFLE
nominal_outside_diameter2.240 INCHES ALL ENDS IN
part_name_assigned_by_controlling_agencyVACTUATOR VALVE
NSN4820-01-522-3356
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P522958 · 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
KEY FEATURES
•
NOMINAL LENGTH: 1.840 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU W/BAFFLE
•
NOMINAL OUTSIDE DIAMETER: 2.240 INCHES ALL ENDS IN
•
MATERIAL: RUBBER NATURAL OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH1.840 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
NOMINAL OUTSIDE DIAMETER2.240 INCHES ALL ENDS IN
SPECIAL FEATURESSOLID RUBBER
PART NAME ASSIGNED BY CONTROLLING AGENCYVACTUATOR VALVE
MATERIALRUBBER NATURAL OVERALL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
10392030Reference document
Same NSN cross-reference
Reference document — Informative reference only
36.01.03.030HSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P522958?
P522958 is a VALVE,SAFETY RELIEF.
What parts can replace P522958?
There are 2 known substitutes for P522958: 10392030, 36.01.03.030H. Substitute compatibility should be verified for your specific system.
What is the NSN for P522958?
P522958 is cataloged in the U.S. Government catalog under NSN 4820-01-522-3356. 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.