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Technical Data Sheet
PartsTable / COMPONENT / 04056-0804
04056-0804 ✓ 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 BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-889-7684, 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
04056-0804
NSN: 4730-00-889-7684
FSC: 4730
CAGE: 30924 — ANDERSON METALS CORP INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES ALL ENDS
reducer_typeCONCENTRIC
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
nominal_thread_size0.438 INCHES SECOND END IN
nominal_overall_length1.562 INCHES IN
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4730-00-889-7684
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 04056-0804 · 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
•
NOMINAL OVERALL LENGTH: 1.562 INCHES IN
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
•
SEAT ANGLE: 45.0 DEGREES ALL ENDS
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
THREAD CLASS: 2A ALL ENDS A
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.562 INCHES IN
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
SEAT ANGLE45.0 DEGREES ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
THREAD CLASS2A ALL ENDS A
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A356Interchangeable
interchangeable cross-reference
interchangeable
C842924Interchangeable
interchangeable cross-reference
interchangeable
B130534Interchangeable
interchangeable cross-reference
interchangeable
110S25Interchangeable
interchangeable cross-reference
interchangeable
MS21258-31Interchangeable
interchangeable cross-reference
interchangeable
A356.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 04056-0804?
04056-0804 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 04056-0804?
There are 11 known substitutes for 04056-0804: A356, C842924, B130534 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 04056-0804?
04056-0804 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-889-7684. 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