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803-4384536-41B-85 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-4384536-41B-85: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: NICKEL ALLOY SEAT, thread_class: 3A SINGLE THREADED PORTION A, overall_height: 0.3438 INCHES NOMINAL IN, seat_angle_in_deg: 45.000 NOMINAL, nominal_thread_size: 1.1875 INCHES SINGLE THREADED PORTION IN, body_outside_diameter: 1.1094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-506-1936, 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
803-4384536-41B-85
NSN: 4820-01-506-1936
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
thread_class3A SINGLE THREADED PORTION A
overall_height0.3438 INCHES NOMINAL IN
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size1.1875 INCHES SINGLE THREADED PORTION IN
body_outside_diameter1.1094 INCHES NOMINAL IN
seating_surface_shapeANGULAR
end_item_identification3/4 INCH IN-LINE STOP VALVE IN
thread_quantity_per_inch20 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
material_document_and_classificationASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A494 GR. -30C ASSN STD SINGLE MATERIAL RESPONSE SEAT
part_name_assigned_by_controlling_agencyNAME ASSIGNED BY CONTROLLING AGENCY IS SEAT RING (STOP & CHECK)
NSN4820-01-506-1936
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-4384536-41B-85 · 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
•
BODY OUTSIDE DIAMETER: 1.1094 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A494 GR. -30C ASSN STD SINGLE MATERIAL RESPONSE SEAT
•
NOMINAL THREAD SIZE: 1.1875 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 3A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 20 SINGLE THREADED PORTION
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.3438 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.1094 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A494 GR. -30C ASSN STD SINGLE MATERIAL RESPONSE SEAT
NOMINAL THREAD SIZE1.1875 INCHES SINGLE THREADED PORTION IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAME ASSIGNED BY CONTROLLING AGENCY IS SEAT RING (STOP & CHECK)
THREAD CLASS3A SINGLE THREADED PORTION A
END ITEM IDENTIFICATION3/4 INCH IN-LINE STOP VALVE IN
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
MATERIALNICKEL ALLOY SEAT
SEAT ANGLE IN DEG45.000 NOMINAL
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 1
4384536Reference 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 803-4384536-41B-85?
803-4384536-41B-85 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 803-4384536-41B-85?
There is 1 known substitute for 803-4384536-41B-85: 4384536. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-4384536-41B-85?
803-4384536-41B-85 is cataloged in the U.S. Government catalog under NSN 4820-01-506-1936. This indicates validated use in U.S. government and defense supply chains.
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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.