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ST400-1056 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ST400-1056: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE ALL ENDS, mounting_position: HORIZONTAL, nominal_thread_size: 0.750 INCHES ALL ENDS IN, thread_series_designator: NPT ALL ENDS, part_name_assigned_by_controlling_agency: CHECK VALVE WITH O-RING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-605-7162, 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
ST400-1056
NSN: 4820-01-605-7162
FSC: 4820 — Valves, Nonpowered
CAGE: 65853 — INGERSOLL-RAND CO POWER TOOL DIV (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
mounting_positionHORIZONTAL
nominal_thread_size0.750 INCHES ALL ENDS IN
thread_series_designatorNPT ALL ENDS
part_name_assigned_by_controlling_agencyCHECK VALVE WITH O-RING
NSN4820-01-605-7162
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ST400-1056 · 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: HORIZONTAL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORSCREW-IN CARTRIDGE
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
SPECIAL FEATURESHEX HEAD FOR INSTALL/REMOVE OF CHECK VALVE CARTRIDGE
PART NAME ASSIGNED BY CONTROLLING AGENCYCHECK VALVE WITH O-RING
THREAD SERIES DESIGNATORNPT ALL ENDS
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 ST400-1056?
ST400-1056 is a VALVE,CHECK.
What is the NSN for ST400-1056?
ST400-1056 is cataloged in the U.S. Government catalog under NSN 4820-01-605-7162. 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.