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70030854 ✓ 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 PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_size: 13/16-16, thread_class: 2B, thread_length: 0.532 INCHES NOMINAL IN, overall_length: 0.700 INCHES NOMINAL IN, style_designator: HEXAGON, INTERNAL THREAD, SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-088-4484, 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
70030854
NSN: 4730-01-088-4484
FSC: 4730
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_size13/16-16
thread_class2B
thread_length0.532 INCHES NOMINAL IN
overall_length0.700 INCHES NOMINAL IN
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
length_to_shoulder0.532 INCHES NOMINAL IN
width_across_flats1.132 INCHES NOMINAL IN
screw_thread_locationEXTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.420 INCHES NOMINAL IN
NSN4730-01-088-4484
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 70030854 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
LENGTH TO SHOULDER: 0.532 INCHES NOMINAL IN
•
SCREW THREAD LOCATION: EXTERNAL
•
SMALLEST INSIDE DIAMETER: 0.420 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.132 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON, INTERNAL THREAD, SHOULDERED
•
MATERIAL: COPPER ALLOY
•
THREAD LENGTH: 0.532 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
LENGTH TO SHOULDER0.532 INCHES NOMINAL IN
SCREW THREAD LOCATIONEXTERNAL
SMALLEST INSIDE DIAMETER0.420 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.132 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
MATERIALCOPPER ALLOY
THREAD LENGTH0.532 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORUN
THREAD SIZE13/16-16
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
C38476Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889587Interchangeable
interchangeable cross-reference
interchangeable
SC3549 3-4INInterchangeable
interchangeable cross-reference
interchangeable
2620-902 ASSY CInterchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYCFInterchangeable
interchangeable cross-reference
interchangeable
2620-902Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70030854?
70030854 is a PACKING NUT.
What parts can replace 70030854?
There are 28 known substitutes for 70030854: C38476, SS845-1889587, SC3549 3-4IN and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70030854?
70030854 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-088-4484. 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