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Technical Data Sheet
PartsTable / COMPONENT / 17090-2
17090-2 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: HIGH PRESSURE WATER APPLICATIONS; INLET PRESSURE TO 1050 PSIG, end_item_identification: NAVY WEAPONS SYSTEM JP, SUPPLY CLASS AOE, engine_design_control_activity: 0APJ5, engine_model_number_for_which_designed: MODEL TYPE "DE" TURBO PUMP, SERIAL NO.11891, part_name_assigned_by_controlling_agency: STEAM CHEST ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-416-6850, 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
17090-2
NSN: 4820-01-416-6850
FSC: 4820
CAGE: 0APJ5 — COFFIN TURBO PUMP INC (USA)
SPECIFICATIONS
special_featuresHIGH PRESSURE WATER APPLICATIONS; INLET PRESSURE TO 1050 PSIG
end_item_identificationNAVY WEAPONS SYSTEM JP, SUPPLY CLASS AOE
engine_design_control_activity0APJ5
engine_model_number_for_which_designedMODEL TYPE "DE" TURBO PUMP, SERIAL NO.11891
part_name_assigned_by_controlling_agencySTEAM CHEST ASSEMBLY
NSN4820-01-416-6850
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 17090-2 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
17086-1Interchangeable
interchangeable cross-reference
interchangeable
SKB-429Interchangeable
interchangeable cross-reference
interchangeable
SKB-429 ITEM 435Interchangeable
interchangeable cross-reference
interchangeable
X4Interchangeable
interchangeable cross-reference
interchangeable
X277 (18373-8)Interchangeable
interchangeable cross-reference
interchangeable
18372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17090-2?
17090-2 is a SEAT,VALVE.
What parts can replace 17090-2?
There are 15 known substitutes for 17090-2: 17086-1, SKB-429, SKB-429 ITEM 435 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17090-2?
17090-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-416-6850. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026