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PartsTable / COMPONENT / 10556SP
10556SP ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include nominal_length: 3.340 INCHES ALL ENDS IN, style_designator: SCREW-IN CARTRIDGE, end_item_identification: USED ON LIGHT ARMOURED VEHICLE LAV PER CAR APC, part_name_assigned_by_controlling_agency: RELIEF VALVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-460-3548, 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
10556SP
NSN: 4820-01-460-3548
FSC: 4820
CAGE: 0VUL5 — NORTH AMERICAN CONTROLS INC DBA NORTH AMERICAN CONTROLS INC (USA)
SPECIFICATIONS
nominal_length3.340 INCHES ALL ENDS IN
style_designatorSCREW-IN CARTRIDGE
end_item_identificationUSED ON LIGHT ARMOURED VEHICLE LAV PER CAR APC
part_name_assigned_by_controlling_agencyRELIEF VALVE
NSN4820-01-460-3548
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 10556SP · 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
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
NOMINAL LENGTH: 3.340 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONUSED ON LIGHT ARMOURED VEHICLE LAV PER CAR APC
STYLE DESIGNATORSCREW-IN CARTRIDGE
PART NAME ASSIGNED BY CONTROLLING AGENCYRELIEF VALVE
NOMINAL LENGTH3.340 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
LS3283-2Interchangeable
interchangeable cross-reference
interchangeable
PA18641Interchangeable
interchangeable cross-reference
interchangeable
13939Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
10556Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10556SP?
10556SP is a VALVE,SAFETY RELIEF.
What parts can replace 10556SP?
There are 16 known substitutes for 10556SP: AMS-QQ-A-200/11, LS3283-2, PA18641 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10556SP?
10556SP is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-460-3548. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026