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PartsTable / COMPONENT / 091-371583
091-371583 ✓ 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 BEARING,BALL,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 3.0630 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-280-8483, 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
091-371583
NSN: 4730-01-280-8483
FSC: 4730
CAGE: 18056 — DOALL BALTIMORE COMPANY (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length3.0630 INCHES NOMINAL IN
shank_diameter0.4375 INCHES NOMINAL IN
inner_ring_width0.8700 INCHES NOMINAL IN
outer_ring_width0.6500 INCHES NOMINAL IN
special_features0.0004 IN. MAX RADIAL CLEARANCE IN
style_designatorDOUBLE ROW, STAGGERED, BALL
NSN4730-01-280-8483
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 091-371583 · 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 3
137158Interchangeable
interchangeable cross-reference
interchangeable
GB525L5CInterchangeable
interchangeable cross-reference
interchangeable
MS21151-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 091-371583?
091-371583 is a BEARING,BALL,ROD END.
What parts can replace 091-371583?
There are 3 known substitutes for 091-371583: 137158, GB525L5C, MS21151-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 091-371583?
091-371583 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-280-8483. 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