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AISI 420F ✓ 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 STRAINER BODY,SEDIMENT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, thread_direction: RIGHT-HAND, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS, first_end_thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-430-7271, 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
AISI 420F
NSN: 4730-01-430-7271
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
thread_directionRIGHT-HAND
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
first_end_thread_directionRIGHT-HAND
NSN4730-01-430-7271
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AISI 420F · 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
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
THREAD DIRECTION: RIGHT-HAND
•
FIRST END THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING BODY
THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD DIRECTIONRIGHT-HAND
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
10637Interchangeable
interchangeable cross-reference
interchangeable
SS38Interchangeable
interchangeable cross-reference
interchangeable
4-8723Interchangeable
interchangeable cross-reference
interchangeable
S5632FCZZELY70Interchangeable
interchangeable cross-reference
interchangeable
5477-1Interchangeable
interchangeable cross-reference
interchangeable
S5632FCZZELG20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AISI 420F?
AISI 420F is a STRAINER BODY,SEDIMENT.
What parts can replace AISI 420F?
There are 6 known substitutes for AISI 420F: 10637, SS38, 4-8723 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AISI 420F?
AISI 420F is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-430-7271. 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