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AS4863 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL COMP 316 OVERALL, body_type: CORED, head_type: SOLID, drive_end_style: RAISED SQUARE, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-034-1397, 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
AS4863
NSN: 4730-00-034-1397
FSC: 4730
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
body_typeCORED
head_typeSOLID
drive_end_styleRAISED SQUARE
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.125 INCHES EXTERNAL IN
end_item_identification2350015093953; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
thread_quantity_per_inch27 EXTERNAL
thread_series_designatorANPT EXTERNAL
nominal_pipe_size_for_which_designed0.125 INCHES IN
NSN4730-00-034-1397
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS4863 · 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
•
CONNECTION STYLE: PLAIN
•
NOMINAL THREAD SIZE: 0.250 INCHES EXTERNAL IN
•
DRIVE END STYLE: RAISED SQUARE
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 316 OR STEEL COMP 304 OVERALL
•
BODY TYPE: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN
NOMINAL THREAD SIZE0.250 INCHES EXTERNAL IN
END ITEM IDENTIFICATIONTRUCK,FORKLIFT,DIESEL ENGINE DRIVEN,6000 LB.;ANTHONY MODEL MLT 6-2,NSN 3930003271575 LBS
DRIVE END STYLERAISED SQUARE
THREAD SERIES DESIGNATORNPT EXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OR STEEL COMP 304 OVERALL
BODY TYPESOLID
HEAD TYPESOLID
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5395Interchangeable
interchangeable cross-reference
interchangeable
0057004Interchangeable
interchangeable cross-reference
interchangeable
G523Interchangeable
interchangeable cross-reference
interchangeable
71726Interchangeable
interchangeable cross-reference
interchangeable
057004Interchangeable
interchangeable cross-reference
interchangeable
MS20913-2KInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS4863?
AS4863 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace AS4863?
There are 8 known substitutes for AS4863: 5395, 0057004, G523 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS4863?
AS4863 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-034-1397. 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