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803-2177934 — SYNCHRO,DIFFERENTIAL RECEIVER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-2177934: SYNCHRO,DIFFERENTIAL RECEIVER.

The SYNCHRO,DIFFERENTIAL RECEIVER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 2.125 INCHES NOMINAL IN, outside_diameter: 1.325 INCHES MAXIMUM IN, special_features: USED ON 3/8 INCH AND 1/2 INCH BRONZE VALVES WITH UNION BONNET IN, style_designator: PLAIN FLANGED, attachment_method: RETAINING RING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-027-3404, 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
803-2177934
NSN: 4820-00-027-3404
NIINs: 000273404, 005617196, 005636610, 005649275, 010246832, 010263410, 010293775, 010398073, 010433626, 010445401, 010479574, 010518366, 010610228, 010610230, 010610625, 010611503, 010611504, 010611598, 010611628, 010618797, 010661814, 010717418, 010735849, 010753494, 010756531, 010756588, 010777300, 010864047, 011032850, 011068268, 011115587, 011131604, 011131943, 011132012, 011139924, 011142022, 011144599, 011147138, 011150800, 011171213, 011179485, 011179574, 011179617, 011180381, 011212819, 011212820, 011212902, 011223676, 011230001, 011245621, 011272559, 011285803, 011298013, 011298014, 011302153, 011315906, 011317643, 011317733, 011343858, 011348795, 011360792, 011367470, 011381981, 011411482, 011414183, 011434364, 011442394, 011443697, 011455506, 011455507, 011455624, 011458542, 011482853, 011487403, 011488229, 011489374, 011495863, 011505405, 011517908, 011539034, 011548045, 011553518, 011567197, 011567198, 011568235, 011568236, 011568322, 011575147, 011581503, 011588590, 011590808, 011592946, 011686395, 011711873, 011714525, 011734233, 011738017, 011757069, 011774903, 011799829, 011800833, 011810854, 011823339, 011823530, 011826697, 011860735, 011903395, 011903459, 011903883, 011931943, 011954242, 012005609, 012005652, 012005656, 012040588, 012058819, 012087158, 012116374, 012124875, 012191985, 012197712, 012202176, 012233633, 012277240, 012334882, 012340005, 012517772, 012520669, 012532644, 012553388, 012608368, 012610990, 012664174, 012686939, 012779064, 012780840, 012794503, 012817355, 012822520, 012828454, 012844233, 012844864, 012860277, 012883826, 012889616, 012889618, 012893446, 012895368, 012944829, 012957049, 012966982, 012998487, 013017974, 013032522, 013033232, 013035937, 013041919, 013106544, 013112892, 013122047, 013170770, 013401249, 013459980, 013462007, 013462719, 013478584, 013481564, 013481568, 013497900, 013497906, 013540433, 013646149, 013681777, 013762677, 013769977, 013770034, 013777043, 013777849, 013920433, 013935926, 013994304, 014079321, 014435136, 014436499, 014592328, 014627657, 014627927, 014627939, 014627971, 014706414, 015445834, 015728676, 015728697, 015728737, 015728739, 015728797, 015728840, 015728844, 015728875, 015728883, 015729009, 015729096, 015729167, 015730169, 015730173, 015730607, 015730613, 015730634, 015730688, 015730694, 015732769, 016906395, 016920950, 016953476, 016955252, 017016292
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length2.125 INCHES NOMINAL IN
outside_diameter1.325 INCHES MAXIMUM IN
special_featuresUSED ON 3/8 INCH AND 1/2 INCH BRONZE VALVES WITH UNION BONNET IN
style_designatorPLAIN FLANGED
attachment_methodRETAINING RING
end_item_identificationVALVE,ANGLE
valve_size_for_which_designed1.500 INCHES IN
valve_type_for_which_designedANGLE
material_document_and_classificationMONEL;QQ-N-281 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed803-2177934-B546
part_name_assigned_by_controlling_agencySEAT RING
NSN4820-00-027-3404
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-2177934 · 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
•
FLOW CONTROL DEVICE: DISK
•
RENEWABLE SEAT RING TYPE: THREADED
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
CONNECTION STYLE: STREAMLINED WITH ONE BRAZING RING FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: BONNET PACKING
•
BONNET TYPE: INSIDE SCREW
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
RENEWABLE SEAT RING TYPETHREADED
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END IN
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING FIRST END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDBONNET PACKING
BONNET TYPEINSIDE SCREW
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
BONNET ATTACHMENT METHODUNION
SUBSTITUTES & CROSS-REFERENCES 5
2620-902X6ASSYC3-4INReference document
Same NSN cross-reference
Reference document — Secondary reference
C35595 3/4INReference document
Same NSN cross-reference
Reference document — Secondary reference
1889568 ASSY CReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SS845-1889568ASSYC3-4INReference document
Same NSN cross-reference
Reference document — Secondary reference
803-2177934-B416Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-2177934?
803-2177934 is a SYNCHRO,DIFFERENTIAL RECEIVER.
What parts can replace 803-2177934?
There are 5 known substitutes for 803-2177934: 2620-902X6ASSYC3-4IN, C35595 3/4IN, 1889568 ASSY C and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-2177934?
803-2177934 is cataloged in the U.S. Government catalog under NSN 4820-00-027-3404. This indicates validated use in U.S. government and defense supply chains.
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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.