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979554-1-1 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

979554-1-1: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, flange_shape: ROUND FIRST END, thread_class: 3B THIRD END, connection_type: THREADED INTERNAL BOSS THIRD END, connection_style: GASKET SEAL(BOSS) THIRD END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-159-1268, 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
979554-1-1
NSN: 4820-01-159-1268
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
flange_shapeROUND FIRST END
thread_class3B THIRD END
connection_typeTHREADED INTERNAL BOSS THIRD END
connection_styleGASKET SEAL(BOSS) THIRD END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FOURTH END
nominal_thickness0.105 INCHES FIRST END IN
flange_face_designRECESSED STRAIGHT FIRST END
operating_pressure7.5 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 17.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM POWER DRIVE LBS
nominal_thread_size0.562 INCHES THIRD END IN
recess_nominal_depth0.135 INCHES FIRST END IN
NSN4820-01-159-1268
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 979554-1-1 · 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
•
RECESS NOMINAL DEPTH: 0.135 INCHES FIRST END IN
•
FLANGE SHAPE: ROUND FIRST END
•
FLANGE FACE DESIGN: RECESSED STRAIGHT FIRST END
•
CONNECTION STYLE: GASKET SEAL(BOSS) FOURTH END
•
CONNECTION TYPE: THREADED INTERNAL BOSS THIRD END
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS
RECESS NOMINAL DEPTH0.135 INCHES FIRST END IN
FLANGE SHAPEROUND FIRST END
FLANGE FACE DESIGNRECESSED STRAIGHT FIRST END
CONNECTION STYLEGASKET SEAL(BOSS) FOURTH END
CONNECTION STYLEGASKET SEAL(BOSS) THIRD END
CONNECTION TYPETHREADED INTERNAL BOSS THIRD END
CONNECTION TYPETHREADED INTERNAL BOSS FOURTH END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE7.5 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 17.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM POWER DRIVE LBS
THREAD DIRECTIONRIGHT-HAND THIRD END
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 979554-1-1?
979554-1-1 is a VALVE,BUTTERFLY.
What is the NSN for 979554-1-1?
979554-1-1 is cataloged in the U.S. Government catalog under NSN 4820-01-159-1268. This indicates validated use in U.S. government and defense supply chains.
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