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AN40-N04 — PNEUMATIC MUFFLER,EXHAUST-INTAKE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AN40-N04: PNEUMATIC MUFFLER,EXHAUST-INTAKE.

PNEUMATIC MUFFLER,EXHAUST-INTAKE. Key specifications include material: COPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, overall_length: 92.0 MILLIMETERS NOMINAL MM, overall_diameter: 30.0 MILLIMETERS NOMINAL MM, special_features: PORT SIZE 1/2 INCH IN, end_item_identification: INTENSIFIER ASSY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-540-1089, 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
AN40-N04
NSN: 4730-01-540-1089
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 55470 — SMC CORPORATION OF AMERICA (USA)
SPECIFICATIONS
materialCOPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
overall_length92.0 MILLIMETERS NOMINAL MM
overall_diameter30.0 MILLIMETERS NOMINAL MM
special_featuresPORT SIZE 1/2 INCH IN
end_item_identificationINTENSIFIER ASSY
NSN4730-01-540-1089
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN40-N04 · 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
•
OVERALL DIAMETER: 30.0 MILLIMETERS NOMINAL MM
•
BODY SHAPE: ROUND
•
MATERIAL: COPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER30.0 MILLIMETERS NOMINAL MM
OVERALL LENGTH92.0 MILLIMETERS NOMINAL MM
BODY SHAPEROUND
SPECIAL FEATURESPORT SIZE 1/2 INCH IN
END ITEM IDENTIFICATIONINTENSIFIER ASSY
MATERIALCOPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
NAN400-N04Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AN40-N04?
AN40-N04 is a PNEUMATIC MUFFLER,EXHAUST-INTAKE.
What parts can replace AN40-N04?
There is 1 known substitute for AN40-N04: NAN400-N04. Substitute compatibility should be verified for your specific system.
What is the NSN for AN40-N04?
AN40-N04 is cataloged in the U.S. Government catalog under NSN 4730-01-540-1089. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.