PartsTable
Technical Data Sheet
403771 ✓ Verified by PartsTable
Legrand · 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 DRESSING,HYDROCOLLOID is a Legrand industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, length: 18.000 INCHES NOMINAL IN, special_features: AQUACEL AG RIBBON WITH STRENGTHENING FIBER; DIMENSIONS: 0.75 X 18 IN; PACKAGE OF 100 IN, end_item_identification: USED ON ENGINEERING MISSION NODULE FOR PLS NSN 3990-01-443-8024, part_name_assigned_by_controlling_agency: AQUACEL AG SILVER HYDROFIBER RIBBON 0.75X18IN 100S. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-804-5616, 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
403771
NSN: 4730-00-804-5616
FSC: 4730
CAGE: 55345 — ALAMO AIRCRAFT, LTD. (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
length18.000 INCHES NOMINAL IN
special_featuresAQUACEL AG RIBBON WITH STRENGTHENING FIBER; DIMENSIONS: 0.75 X 18 IN; PACKAGE OF 100 IN
end_item_identificationUSED ON ENGINEERING MISSION NODULE FOR PLS NSN 3990-01-443-8024
part_name_assigned_by_controlling_agencyAQUACEL AG SILVER HYDROFIBER RIBBON 0.75X18IN 100S
NSN4730-00-804-5616
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 403771 · Legrand ⚠ 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
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE
FLANGE SHAPE: RECTANGULAR WITH HOLES SECOND END
NOMINAL THICKNESS: 0.200 INCHES SECOND END IN
NOMINAL LENGTH: 1.856 INCHES SECOND END IN
RAISED FACE NOMINAL HEIGHT: 0.315 INCHES SECOND END IN
MATERIAL: ALUMINUM ALLOY 2014 OVERALLUNABLE TO DECODE
BOLT HOLE QUANTITY: 4 SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE
FLANGE SHAPERECTANGULAR WITH HOLES SECOND END
NOMINAL THICKNESS0.200 INCHES SECOND END IN
SPECIAL FEATURESCRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
NOMINAL LENGTH1.856 INCHES SECOND END IN
RAISED FACE NOMINAL HEIGHT0.315 INCHES SECOND END IN
MATERIALALUMINUM ALLOY 2014 OVERALLUNABLE TO DECODE
BOLT HOLE QUANTITY4 SECOND END
FLOW ANGLE90.0 DEGREES
CONNECTION TYPEFLANGE SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
403771Interchangeable
interchangeable cross-reference
interchangeable
1643659Interchangeable
interchangeable cross-reference
interchangeable
6510NCM104928Interchangeable
interchangeable cross-reference
interchangeable
18657Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 403771?
403771 is a DRESSING,HYDROCOLLOID manufactured by Legrand.
What parts can replace 403771?
There are 4 known substitutes for 403771: 403771, 1643659, 6510NCM104928 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 403771?
403771 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-804-5616. This indicates validated use in U.S. government and defense supply chains.
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