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Technical Data Sheet
PartsTable / COMPONENT / 509-4676021 ITEM F58
509-4676021 ITEM F58 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: GUAGE MIRROR ADJUSMENT SPACE TOOL F/DORNIER LASER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-333-1902, 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
509-4676021 ITEM F58
NSN: 4730-01-333-1902
FSC: 4730
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
special_featuresMIRROR ADJUSTMENT SPACE TOOL GUAGE; USED DURING ALIGNMENT TO SET CORRECT DISTANCE BETWEEN MIRRORS AND CAVITY; TO BE USED IN MAINTENANCE OF THE DORNIER LASER, NSN: 6515-01-549-4221
part_name_assigned_by_controlling_agencyGUAGE MIRROR ADJUSMENT SPACE TOOL F/DORNIER LASER
NSN4730-01-333-1902
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 509-4676021 ITEM F58 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3698Interchangeable
interchangeable cross-reference
interchangeable
1757440Interchangeable
interchangeable cross-reference
interchangeable
ATBX2-3698Interchangeable
interchangeable cross-reference
interchangeable
L853N1PC20Interchangeable
interchangeable cross-reference
interchangeable
3698/0010Interchangeable
interchangeable cross-reference
interchangeable
DRK96-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509-4676021 ITEM F58?
509-4676021 ITEM F58 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 509-4676021 ITEM F58?
There are 15 known substitutes for 509-4676021 ITEM F58: 3698, 1757440, ATBX2-3698 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 509-4676021 ITEM F58?
509-4676021 ITEM F58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-333-1902. 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