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4020525 ✓ 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

STRAP,WRIST,ELECTROSTATIC DISCHA. Key specifications include end_item_identification: TEMPERATURE REGULATING VALVE,TRAC REGULATOR STYLE B,SIZE 2 INCH IN, general_characteristics_item_description: BRASS MATERIAL PER MIL-B-895. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-361-3468, 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
4020525
NSN: 4730-00-361-3468
FSC: 4730
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationTEMPERATURE REGULATING VALVE,TRAC REGULATOR STYLE B,SIZE 2 INCH IN
general_characteristics_item_descriptionBRASS MATERIAL PER MIL-B-895
NSN4730-00-361-3468
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4020525 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: TITANIUM ALLOY,AMS 4928
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONENGINE ACFT TURBO FAN MODEL NO. F100PW100
GENERAL CHARACTERISTICS ITEM DESCRIPTIONTITANIUM ALLOY,AMS 4928
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
172-00Interchangeable
interchangeable cross-reference
interchangeable
40205-25Interchangeable
interchangeable cross-reference
interchangeable
40473Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4020525?
4020525 is a STRAP,WRIST,ELECTROSTATIC DISCHA.
What parts can replace 4020525?
There are 3 known substitutes for 4020525: 172-00, 40205-25, 40473. Substitute compatibility should be verified for your specific system.
What is the NSN for 4020525?
4020525 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-361-3468. 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