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PartsTable / COMPONENT / 21317-1018-5
21317-1018-5 ✓ Verified by PartsTable
— · 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,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, design_type: TUBULAR, thread_provision: THREADED LOCATION NOT OTHERWISE SPECIFIED, 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 (FLIS) under NSN 4730-01-415-3183, 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
21317-1018-5
NSN: 4730-01-415-3183
FSC: 4730
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeTUBULAR
thread_provisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
end_item_identificationSEAWOLF CLASS SSN
NSN4730-01-415-3183
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 21317-1018-5 · 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: TUBULAR
•
THREAD PROVISION: THREADED LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
DESIGN TYPETUBULAR
THREAD PROVISIONTHREADED LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
506 1.0625Interchangeable
interchangeable cross-reference
interchangeable
37814Interchangeable
interchangeable cross-reference
interchangeable
21354Interchangeable
interchangeable cross-reference
interchangeable
SK70-2293Interchangeable
interchangeable cross-reference
interchangeable
70-2293Interchangeable
interchangeable cross-reference
interchangeable
5867702293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21317-1018-5?
21317-1018-5 is a RESTRICTOR,FLUID FLOW.
What parts can replace 21317-1018-5?
There are 16 known substitutes for 21317-1018-5: 506 1.0625, 37814, 21354 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21317-1018-5?
21317-1018-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-415-3183. 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