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7775K34 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7775K34: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, flange_shape: HEXAGON ALL ENDS, connection_type: THREADED INTERNAL PIPE ALL ENDS, style_designator: STRAIGHT THRU, nominal_thread_size: 0.500 INCHES ALL ENDS IN, face_to_face_distance: 2.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-689-4752, 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
7775K34
NSN: 4820-01-689-4752
FSC: 4820 — Valves, Nonpowered
CAGE: 1CSL0 — SCHUTT INDUSTRIES OF CLINTONVILLE, WIS., INC. DIV SCHUTT INDUSTRIES OF CLINTONVILLE, WI INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flange_shapeHEXAGON ALL ENDS
connection_typeTHREADED INTERNAL PIPE ALL ENDS
style_designatorSTRAIGHT THRU
nominal_thread_size0.500 INCHES ALL ENDS IN
face_to_face_distance2.500 INCHES IN
valve_operation_methodAUTOMATIC
end_item_identification2330-01-603-3559; SEMITRAILER, LOW BED
thread_quantity_per_inch14 ALL ENDS
thread_series_designatorNPTF ALL ENDS
part_name_assigned_by_controlling_agencyBACKFLOW-PREVENTION VALVE
NSN4820-01-689-4752
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7775K34 · 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
•
FLANGE SHAPE: HEXAGON ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
FACE TO FACE DISTANCE: 2.500 INCHES IN
•
THREAD QUANTITY PER INCH: 14 ALL ENDS
TECHNICAL CHARACTERISTICS
FLANGE SHAPEHEXAGON ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
FACE TO FACE DISTANCE2.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBACKFLOW-PREVENTION VALVE
END ITEM IDENTIFICATION2330-01-603-3559; SEMITRAILER, LOW BED
THREAD QUANTITY PER INCH14 ALL ENDS
MATERIALCOPPER ALLOY BODY
THREAD SERIES DESIGNATORNPTF 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7775K34?
7775K34 is a VALVE,CHECK.
What is the NSN for 7775K34?
7775K34 is cataloged in the U.S. Government catalog under NSN 4820-01-689-4752. 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.