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HMM11-2A-001-122 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

HMM11-2A-001-122: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY FLOW CONTROL DEVICE, valve_size: 2.000 INCHES IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, special_features: WAFER STYLE VALVE; APPLICATION: JP5; QUALITY ASSURANCE IAW MIL-I-45208, SHOCK AND VIBRATION QUALIFIED, style_designator: STRAIGHT THRU, mounting_position: VERTICAL OR HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-575-2801, 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
HMM11-2A-001-122
NSN: 4820-01-575-2801
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialNICKEL ALLOY FLOW CONTROL DEVICE
valve_size2.000 INCHES IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
special_featuresWAFER STYLE VALVE; APPLICATION: JP5; QUALITY ASSURANCE IAW MIL-I-45208, SHOCK AND VIBRATION QUALIFIED
style_designatorSTRAIGHT THRU
mounting_positionVERTICAL OR HORIZONTAL
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
valve_operation_methodAUTOMATIC
end_item_identificationSUPPLY SYSTEM REPROCUREMENT
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
part_name_assigned_by_controlling_agency2" DUAL PLATE WAFER CHECK VALVE
NSN4820-01-575-2801
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HMM11-2A-001-122 · 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
•
MOUNTING POSITION: VERTICAL OR HORIZONTAL
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 2.000 INCHES IN
•
DISK LOADING METHOD: SPRING
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
MOUNTING POSITIONVERTICAL OR HORIZONTAL
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE2.000 INCHES IN
DISK LOADING METHODSPRING
SPECIAL FEATURESWAFER STYLE VALVE; APPLICATION: JP5; QUALITY ASSURANCE IAW MIL-I-45208, SHOCK AND VIBRATION QUALIFIED
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCY2" DUAL PLATE WAFER CHECK VALVE
END ITEM IDENTIFICATIONSUPPLY SYSTEM REPROCUREMENT
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
HMM11-2A-001 / HMM11-2A-001-122Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HMM11-2A-001Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HMM11-2A-001-122?
HMM11-2A-001-122 is a VALVE,CHECK.
What parts can replace HMM11-2A-001-122?
There are 2 known substitutes for HMM11-2A-001-122: HMM11-2A-001 / HMM11-2A-001-122, HMM11-2A-001. Substitute compatibility should be verified for your specific system.
What is the NSN for HMM11-2A-001-122?
HMM11-2A-001-122 is cataloged in the U.S. Government catalog under NSN 4820-01-575-2801. 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.