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AJ15513 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AJ15513: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include nominal_length: 2.43 INCHES ALL ENDS IN, special_features: WORKING PRESSURE:150-700PSI, mounting_facility: THREADED FASTENER, nominal_thread_size: 0.375 INCHES FIRST END IN, minimum_operating_temp: -40.0 CELSIUS DEGC, end_item_identification: MULTI-FUNCTION RADAR SYSTEM,TRUCK MOUNTED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-678-7778, 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
AJ15513
NSN: 4820-01-678-7778
FSC: 4820 — Valves, Nonpowered
CAGE: 1BND5 — MUELLER REFRIGERATION PRODUCTS CO (USA)
SPECIFICATIONS
nominal_length2.43 INCHES ALL ENDS IN
special_featuresWORKING PRESSURE:150-700PSI
mounting_facilityTHREADED FASTENER
nominal_thread_size0.375 INCHES FIRST END IN
minimum_operating_temp-40.0 CELSIUS DEGC
end_item_identificationMULTI-FUNCTION RADAR SYSTEM,TRUCK MOUNTED
part_name_assigned_by_controlling_agencyPRESSURE RELIEF VALVE
NSN4820-01-678-7778
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AJ15513 · 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: 2.43 INCHES ALL ENDS IN
•
MINIMUM OPERATING TEMP: -40.0 CELSIUS DEGC
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
MOUNTING FACILITY: THREADED FASTENER
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH2.43 INCHES ALL ENDS IN
MINIMUM OPERATING TEMP-40.0 CELSIUS DEGC
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.50 INCHES SECOND END IN
MOUNTING FACILITYTHREADED FASTENER
SPECIAL FEATURESWORKING PRESSURE:150-700PSI
PART NAME ASSIGNED BY CONTROLLING AGENCYPRESSURE RELIEF VALVE
END ITEM IDENTIFICATIONMULTI-FUNCTION RADAR SYSTEM,TRUCK MOUNTED
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

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 AJ15513?
AJ15513 is a VALVE,SAFETY RELIEF.
What is the NSN for AJ15513?
AJ15513 is cataloged in the U.S. Government catalog under NSN 4820-01-678-7778. 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.