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Technical Data Sheet
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4135/040 — Technical Data Sheet

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— · 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

DAMPER,TURBINE BLADE,AIRCRAFT TU. Key specifications include end_item_identification: F135-PW-100 ENGINE ON F-35 AIRCRAFT, Form Factor: Blade. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-074-6965, 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
4135/040
NSN: 4730-01-074-6965
FSC: 4730
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
end_item_identificationF135-PW-100 ENGINE ON F-35 AIRCRAFT
Form FactorBlade
NSN4730-01-074-6965
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4135/040 · 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
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
LEG LENGTH: 0.710 INCHES NOMINAL ALL ENDS IN
•
MEDIA FOR WHICH DESIGNED: STEAM SINGLE RESPONSE
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
LEG LENGTH0.710 INCHES NOMINAL ALL ENDS IN
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
THREAD SERIES DESIGNATORNPT ALL ENDS
NONDEFINITIVE SPEC/STD DATAA CLASS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
7701-1Interchangeable
interchangeable cross-reference
interchangeable
GF11S1010CUInterchangeable
interchangeable cross-reference
interchangeable
B16.15Interchangeable
interchangeable cross-reference
interchangeable
MS51845-12Interchangeable
interchangeable cross-reference
interchangeable
WWP460CLASSAInterchangeable
interchangeable cross-reference
interchangeable
4730002535794Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4135/040?
4135/040 is a DAMPER,TURBINE BLADE,AIRCRAFT TU.
What parts can replace 4135/040?
There are 24 known substitutes for 4135/040: 7701-1, GF11S1010CU, B16.15 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4135/040?
4135/040 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-074-6965. 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: September 2026