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551-7068554-6 — SLEEVE,DIRECTIONAL CONTROL LINEA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

551-7068554-6: SLEEVE,DIRECTIONAL CONTROL LINEA.

SLEEVE,DIRECTIONAL CONTROL LINEA. Key specifications include material: COPPER ALLOY, overall_length: 5.000 INCHES NOMINAL IN, end_item_identification: LOS ANGELES CLASS SSN (688), part_name_assigned_by_controlling_agency: SLEEVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-495-0028, 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
551-7068554-6
NSN: 4820-01-495-0028
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length5.000 INCHES NOMINAL IN
special_featuresSLEEVE HAS 45 EQUALLY SPACED SLOTS 1.310 INCHES LONG CUT 0.940 INCHES FROM THE END; NHA TORPEDO TUBE BLOW AND VENT MANIFOLD ASSEMBLY IN
end_item_identificationLOS ANGELES CLASS SSN (688)
part_name_assigned_by_controlling_agencySLEEVE
NSN4820-01-495-0028
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 551-7068554-6 · 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
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
OVERALL LENGTH5.000 INCHES NOMINAL IN
SPECIAL FEATURESSLEEVE HAS 45 EQUALLY SPACED SLOTS 1.310 INCHES LONG CUT 0.940 INCHES FROM THE END; NHA TORPEDO TUBE BLOW AND VENT MANIFOLD ASSEMBLY IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSLEEVE
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
H845-1801-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7068554Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
H845-1801Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 551-7068554-6?
551-7068554-6 is a SLEEVE,DIRECTIONAL CONTROL LINEA.
What parts can replace 551-7068554-6?
There are 3 known substitutes for 551-7068554-6: H845-1801-6, 7068554, H845-1801. Substitute compatibility should be verified for your specific system.
What is the NSN for 551-7068554-6?
551-7068554-6 is cataloged in the U.S. Government catalog under NSN 4820-01-495-0028. 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.