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ND163 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ND163: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_length: 1.188 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.375 INCHES NOMINAL IN, style_designator: PLAIN THREADED, seat_angle_in_deg: 43.000 NOMINAL, nominal_thread_size: 2.537 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-112-7269, 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
ND163
NSN: 4820-00-112-7269
FSC: 4820 — Valves, Nonpowered
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_length1.188 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.375 INCHES NOMINAL IN
style_designatorPLAIN THREADED
seat_angle_in_deg43.000 NOMINAL
nominal_thread_size2.537 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.997 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
thread_quantity_per_inch11-1/2 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
material_document_and_classificationASTM B62,ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE SEAT
NSN4820-00-112-7269
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ND163 · 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
•
THREAD LENGTH: 1.188 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B62,ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE SEAT
•
BODY INSIDE DIAMETER: 1.997 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 2.537 INCHES SINGLE THREADED PORTION IN
•
THREAD QUANTITY PER INCH: 11-1/2 SINGLE THREADED PORTION
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.375 INCHES NOMINAL IN
THREAD LENGTH1.188 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62,ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE SEAT
BODY INSIDE DIAMETER1.997 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
NOMINAL THREAD SIZE2.537 INCHES SINGLE THREADED PORTION IN
THREAD QUANTITY PER INCH11-1/2 SINGLE THREADED PORTION
MATERIALCOPPER ALLOY OVERALL
SEAT ANGLE IN DEG43.000 NOMINAL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ND163?
ND163 is a SEAT,VALVE.
What is the NSN for ND163?
ND163 is cataloged in the U.S. Government catalog under NSN 4820-00-112-7269. This indicates validated use in U.S. government and defense supply chains.
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