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Technical Data Sheet
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37337 ✓ Verified by PartsTable
InLine · 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

SLEEVE,DIRECTIONAL CONTROL LINEA. Key specifications include material: STEEL, special_features: SMALL CYLINDER SLEEVE, end_item_identification: LOS ANGELES CLASS SSN (688). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-420-1937, 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
37337
NSN: 4810-01-420-1937
FSC: 4810
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialSTEEL
special_featuresSMALL CYLINDER SLEEVE
end_item_identificationLOS ANGELES CLASS SSN (688)
NSN4810-01-420-1937
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 37337 · InLine ⚠ 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: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
MATERIALSTEEL
SPECIAL FEATURESSMALL CYLINDER SLEEVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
211033392Interchangeable
interchangeable cross-reference
interchangeable
751-6402503 FIND 4Interchangeable
interchangeable cross-reference
interchangeable
751-6402502 FIND 4Interchangeable
interchangeable cross-reference
interchangeable
37333Interchangeable
interchangeable cross-reference
interchangeable
4000-37330Interchangeable
interchangeable cross-reference
interchangeable
4000-37330 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37337?
37337 is a SLEEVE,DIRECTIONAL CONTROL LINEA manufactured by InLine.
What parts can replace 37337?
There are 15 known substitutes for 37337: 211033392, 751-6402503 FIND 4, 751-6402502 FIND 4 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37337?
37337 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-420-1937. 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