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4730PL0921127 — 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, nominal_thread_size: 1.312 INCHES ALL ENDS IN, nominal_overall_length: 3.078 INCHES 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 4730-01-435-4395, 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
4730PL0921127
NSN: 4730-01-435-4395
FSC: 4730
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
nominal_thread_size1.312 INCHES ALL ENDS IN
nominal_overall_length3.078 INCHES IN
thread_quantity_per_inch12 ALL ENDS
thread_series_designatorUN ALL ENDS
nominal_outside_diameter_tube_accommodated1.000 INCHES ALL ENDS IN
NSN4730-01-435-4395
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730PL0921127 · 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
•
CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS
•
MATERIAL: STEEL OVERALL
•
NOMINAL OVERALL LENGTH: 3.078 INCHES IN
•
NOMINAL THREAD SIZE: 1.312 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
THREAD CLASS: 3A ALL ENDS A
•
THREAD QUANTITY PER INCH: 12 ALL ENDS
•
THREAD SERIES DESIGNATOR: UN ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
MATERIALSTEEL OVERALL
NOMINAL OVERALL LENGTH3.078 INCHES IN
NOMINAL THREAD SIZE1.312 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
THREAD CLASS3A ALL ENDS A
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SAE AS5406DInterchangeable
Same NIIN cross-reference
interchangeable
AN832-16CInterchangeable
Same NIIN cross-reference
interchangeable
SAE-AS4841Interchangeable
Adapter,straight,tube to Boss
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730PL0921127?
4730PL0921127 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 4730PL0921127?
There are 3 known substitutes for 4730PL0921127: SAE AS5406D, AN832-16C, SAE-AS4841. Substitute compatibility should be verified for your specific system.
What is the NSN for 4730PL0921127?
4730PL0921127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-435-4395. 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: September 2026