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52108-808-1 — Technical Data Sheet

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— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The RESTRICTOR UNIT,FLUID FLOW is a the manufacturer industrial component. Key specifications include design_type: STRAIGHT, special_features: NHA=SARGENT CONTROLS SERVO VALVE ASSEMBLY, end_item_identification: SEAWOLF CLASS SSN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-01-443-1807, 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
52108-808-1
NSN: 4730-01-443-1807
FSC: 4730
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
design_typeSTRAIGHT
special_featuresNHA=SARGENT CONTROLS SERVO VALVE ASSEMBLY
end_item_identificationSEAWOLF CLASS SSN
NSN4730-01-443-1807
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 52108-808-1 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DESIGN TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS
DESIGN TYPESTRAIGHT
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
SPECIAL FEATURESNHA=SARGENT CONTROLS SERVO VALVE ASSEMBLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
52058InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
52108InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SMB196134InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
52108-807-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
52103-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
52041-1002-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52108-808-1?
52108-808-1 is a RESTRICTOR UNIT,FLUID FLOW.
What parts can replace 52108-808-1?
There are 19 known substitutes for 52108-808-1: 52058, 52108, SMB196134 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52108-808-1?
52108-808-1 is cataloged in the Federal Logistics Information System under NSN 4730-01-443-1807. 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: October 2026