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B553-2100-19 — SLEEVE,DIRECTIONAL CONTROL LINEA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B553-2100-19: SLEEVE,DIRECTIONAL CONTROL LINEA.

SLEEVE,DIRECTIONAL CONTROL LINEA. Key specifications include material: NICKEL ALLOY, overall_length: 3.375 INCHES NOMINAL IN, overall_diameter: 1.500 INCHES NOMINAL IN, end_item_identification: SEAWOLF CLASS SSN, part_name_assigned_by_controlling_agency: STEM, TMS HAWSEPIPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-496-4816, 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
B553-2100-19
NSN: 4820-01-496-4816
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length3.375 INCHES NOMINAL IN
overall_diameter1.500 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
part_name_assigned_by_controlling_agencySTEM, TMS HAWSEPIPE
NSN4820-01-496-4816
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B553-2100-19 · 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
•
OVERALL DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.500 INCHES NOMINAL IN
OVERALL LENGTH3.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSTEM, TMS HAWSEPIPE
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
7409396Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
B553-2100Reference 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 B553-2100-19?
B553-2100-19 is a SLEEVE,DIRECTIONAL CONTROL LINEA.
What parts can replace B553-2100-19?
There are 2 known substitutes for B553-2100-19: 7409396, B553-2100. Substitute compatibility should be verified for your specific system.
What is the NSN for B553-2100-19?
B553-2100-19 is cataloged in the U.S. Government catalog under NSN 4820-01-496-4816. 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.