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1603L — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1603L: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: 150/300PSI, end_item_identification: N-150/300 VALVE, part_name_assigned_by_controlling_agency: VELAN STEAM TRAP PART. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-629-8331, 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
1603L
NSN: 4820-01-629-8331
FSC: 4820 — Valves, Nonpowered
CAGE: 416D0 — JAMES D ACERS CO INC DIV JAMES D. ACERS COMPANY INC (USA)
SPECIFICATIONS
special_features150/300PSI
end_item_identificationN-150/300 VALVE
part_name_assigned_by_controlling_agencyVELAN STEAM TRAP PART
NSN4820-01-629-8331
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1603L · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES150/300PSI
PART NAME ASSIGNED BY CONTROLLING AGENCYVELAN STEAM TRAP PART
END ITEM IDENTIFICATIONN-150/300 VALVE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1603L?
1603L is a SEAT,VALVE.
What is the NSN for 1603L?
1603L is cataloged in the U.S. Government catalog under NSN 4820-01-629-8331. This indicates validated use in U.S. government and defense supply chains.
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