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Technical Data Sheet
PartsTable / COMPONENT / 111PC13
111PC13 ✓ 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: ALUMINUM ALLOY 2011, thread_size: 0.438-20, thread_class: 3A A, thread_length: 0.297 INCHES NOMINAL IN, overall_length: 0.438 INCHES NOMINAL IN, style_designator: HEXAGON, EXTERNAL THREAD, BOSS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-343-1579, 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
111PC13
NSN: 4730-00-343-1579
FSC: 4730
CAGE: 27554 — WILDFIRE PACIFIC INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2011
thread_size0.438-20
thread_class3A A
thread_length0.297 INCHES NOMINAL IN
overall_length0.438 INCHES NOMINAL IN
style_designatorHEXAGON, EXTERNAL THREAD, BOSS
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES NOMINAL IN
screw_thread_locationEXTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.159 INCHES NOMINAL IN
screw_thread_series_designatorUNF
NSN4730-00-343-1579
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 111PC13 · 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
•
SMALLEST INSIDE DIAMETER: 0.159 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON, EXTERNAL THREAD, BOSS
•
SCREW THREAD LOCATION: EXTERNAL
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2011
•
SCREW THREAD SERIES DESIGNATOR: UNF
•
THREAD LENGTH: 0.297 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
SMALLEST INSIDE DIAMETER0.159 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, EXTERNAL THREAD, BOSS
SCREW THREAD LOCATIONEXTERNAL
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2011
SCREW THREAD SERIES DESIGNATORUNF
THREAD LENGTH0.297 INCHES NOMINAL IN
THREAD CLASS3A A
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE0.438-20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1Interchangeable
R970
interchangeable
HB178Interchangeable
interchangeable cross-reference
interchangeable
10176933Interchangeable
interchangeable cross-reference
interchangeable
B-8-0Interchangeable
interchangeable cross-reference
interchangeable
B7.1Interchangeable
interchangeable cross-reference
interchangeable
00781568133125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 111PC13?
111PC13 is a PACKING NUT.
What parts can replace 111PC13?
There are 8 known substitutes for 111PC13: 1, HB178, 10176933 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 111PC13?
111PC13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-343-1579. 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