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AN911-3S ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, leg_length: 0.594 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: CENTER WRENCHING FACILITY, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-233-9925, 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
AN911-3S
NSN: 4730-00-233-9925
FSC: 4730
CAGE: 14397 — FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
leg_length0.594 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorCENTER WRENCHING FACILITY
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES ALL ENDS IN
nominal_overall_length1.469 INCHES IN
end_item_identificationCONTINENTAL DIESEL ENGINE MODEL AVDS-1790
thread_series_designatorANPT ALL ENDS
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
NSN4730-00-233-9925
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN911-3S · 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
•
THREAD SERIES DESIGNATOR: ANPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.469 INCHES IN
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORANPT ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
SURFACE TREATMENTPASSIVATE OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH1.469 INCHES IN
MATERIALSTEEL COMP 321 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
LEG LENGTH0.594 INCHES NOMINAL ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
AS4860Interchangeable
interchangeable cross-reference
interchangeable
AS4842Interchangeable
interchangeable cross-reference
interchangeable
AN911-8Interchangeable
interchangeable cross-reference
interchangeable
AN911-3KInterchangeable
interchangeable cross-reference
interchangeable
AN911-2DInterchangeable
interchangeable cross-reference
interchangeable
895D91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN911-3S?
AN911-3S is a NIPPLE,PIPE.
What parts can replace AN911-3S?
There are 18 known substitutes for AN911-3S: AS4860, AS4842, AN911-8 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN911-3S?
AN911-3S is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-233-9925. 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