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Technical Data Sheet
PartsTable / COMPONENT / H11-4-1
H11-4-1 ✓ 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 color: WHITE OVERALL, material: STEEL, body_width: 2.000 INCHES NOMINAL IN, body_height: 1.750 INCHES MAXIMUM IN, body_length: 2.000 INCHES NOMINAL IN, head_diameter: 1.473 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-593-0111, 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
H11-4-1
NSN: 4730-00-593-0111
FSC: 4730
CAGE: 31923 — TODD COMBUSTION INC (USA)
SPECIFICATIONS
colorWHITE OVERALL
materialSTEEL
body_width2.000 INCHES NOMINAL IN
body_height1.750 INCHES MAXIMUM IN
body_length2.000 INCHES NOMINAL IN
head_diameter1.473 INCHES NOMINAL IN
neck_diameter0.810 INCHES NOMINAL IN
nominal_width0.250 INCHES IN
inclosure_typeFULLY INCLOSED
nominal_length300.000 INCHES IN
overall_length3.278 INCHES NOMINAL IN
surface_lusterLUSTERLESS
NSN4730-00-593-0111
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H11-4-1 · 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
X2986Interchangeable
interchangeable cross-reference
interchangeable
109152Interchangeable
interchangeable cross-reference
interchangeable
50406Interchangeable
interchangeable cross-reference
interchangeable
DD423S46-094PC68Interchangeable
interchangeable cross-reference
interchangeable
H1151Interchangeable
interchangeable cross-reference
interchangeable
G7042PC68Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H11-4-1?
H11-4-1 is a PACKING NUT.
What parts can replace H11-4-1?
There are 15 known substitutes for H11-4-1: X2986, 109152, 50406 and 12 more. Substitute compatibility should be verified for your specific system.
Is H11-4-1 still available?
H11-4-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026