PartsTable
Technical Data Sheet
4H90311-107A ✓ 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

MANIFOLD,HYDRAULIC SYSTEM ACCESS. Key specifications include special_features: ACFT HYDRAULIC,VACUUM,DEICING SYSTEMS;7.410 IN. LG,6.500 IN.

WD,5.050 IN. HT;MAX OPERATING TEMP 160 DEG F IN, end_item_identification: C-5A-B AIRCRAFT A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-175-4044, 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
4H90311-107A
NSN: 4730-01-175-4044
FSC: 4730
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
special_featuresACFT HYDRAULIC,VACUUM,DEICING SYSTEMS;7.410 IN. LG,6.500 IN. WD,5.050 IN. HT;MAX OPERATING TEMP 160 DEG F IN
end_item_identificationC-5A-B AIRCRAFT A
NSN4730-01-175-4044
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4H90311-107A · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESACFT HYDRAULIC,VACUUM,DEICING SYSTEMS;7.410 IN. LG,6.500 IN. WD,5.050 IN. HT;MAX OPERATING TEMP 160 DEG F IN
END ITEM IDENTIFICATIONC-5A-B AIRCRAFT A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
ET11774-3Interchangeable
interchangeable cross-reference
interchangeable
ET11774-1Interchangeable
interchangeable cross-reference
interchangeable
1101-011Interchangeable
interchangeable cross-reference
interchangeable
91200Interchangeable
interchangeable cross-reference
interchangeable
M15291/8-004Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-15291/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4H90311-107A?
4H90311-107A is a MANIFOLD,HYDRAULIC SYSTEM ACCESS.
What parts can replace 4H90311-107A?
There are 13 known substitutes for 4H90311-107A: ET11774-3, ET11774-1, 1101-011 and 10 more. Substitute compatibility should be verified for your specific system.
Is 4H90311-107A still available?
4H90311-107A is currently cancelled.
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