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8102-17-791-7402 — BEARING,WASHER,THRUST

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8102-17-791-7402: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.562 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.688 INCHES NOMINAL IN, special_features: WRENCHING FACITLITY CONSISTS OF 4 SLOTS,EQUALLY SPACED,ON THE INSIDE DIAMETER,SLOTS 1/16 IN. DEEP BY 5/16 IN.

WIDE IN, style_designator: PLAIN THREADED. This part is cataloged in the U.S. Government catalog under NSN 4820-01-039-3225, 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
8102-17-791-7402
NSN: 4820-01-039-3225
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class3A SINGLE THREADED PORTION A
thread_length0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.688 INCHES NOMINAL IN
special_featuresWRENCHING FACITLITY CONSISTS OF 4 SLOTS,EQUALLY SPACED,ON THE INSIDE DIAMETER,SLOTS 1/16 IN. DEEP BY 5/16 IN. WIDE IN
style_designatorPLAIN THREADED
surface_treatmentNICKEL SEAT
nominal_thread_size4.812 INCHES SINGLE THREADED PORTION IN
body_inside_diameter3.937 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch12 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-01-039-3225
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8102-17-791-7402 · 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: 0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 3.937 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 4.812 INCHES SINGLE THREADED PORTION IN
•
SURFACE TREATMENT: NICKEL SEAT
•
THREAD CLASS: 3A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.688 INCHES NOMINAL IN
THREAD LENGTH0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER3.937 INCHES NOMINAL IN
NOMINAL THREAD SIZE4.812 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURESWRENCHING FACITLITY CONSISTS OF 4 SLOTS,EQUALLY SPACED,ON THE INSIDE DIAMETER,SLOTS 1/16 IN. DEEP BY 5/16 IN. WIDE IN
SURFACE TREATMENTNICKEL SEAT
THREAD CLASS3A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
MATERIALNICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
803-2177917-4-02Reference document
Same NSN cross-reference
Reference document — Secondary reference
84448Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
803-2177917Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8102-17-791-7402?
8102-17-791-7402 is a BEARING,WASHER,THRUST.
What parts can replace 8102-17-791-7402?
There are 3 known substitutes for 8102-17-791-7402: 803-2177917-4-02, 84448, 803-2177917. Substitute compatibility should be verified for your specific system.
What is the NSN for 8102-17-791-7402?
8102-17-791-7402 is cataloged in the U.S. Government catalog under NSN 4820-01-039-3225. 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.