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Technical Data Sheet
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57534 ✓ 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 EJECTOR ASSEMBLY,AIR is a the manufacturer industrial component. Key specifications include special_features: STEEL; 31.312 IN. H; 28.938 IN.

LG IN, end_item_identification: WHELLER MFG. CO. AIR EJECTOR,MODEL NO.

2S80. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-058-7899, 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
57534
NSN: 4730-01-058-7899
FSC: 4730
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
special_featuresSTEEL; 31.312 IN. H; 28.938 IN. LG IN
end_item_identificationWHELLER MFG. CO. AIR EJECTOR,MODEL NO. 2S80
general_characteristics_item_descriptionGUN METAL; 15.000 IN. LG; 0.731 ID BORE; TWO FLANGES 5.062 IN. DIA; 6 BOLT HOLES 0.562 IN. DIA DRILLED ON A 3.938 IN. BOLT CIRCLE DIA IN
NSN4730-01-058-7899
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 57534 · 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
•
END CONNECTION TYPE: FLANGED FIRST END
•
FILTERING MEDIA DESIGN: PERFORATED
•
STYLE DESIGNATOR: CYLINDRICAL
•
LENGTH: 2.625 INCHES NOMINAL IN
•
ELEMENT OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
PERFORATION QUANTITY: 225.0 PER SQUARE INCH
•
PERFORATION DIAMETER: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION TYPEFLANGED FIRST END
FILTERING MEDIA DESIGNPERFORATED
STYLE DESIGNATORCYLINDRICAL
LENGTH2.625 INCHES NOMINAL IN
ELEMENT OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
PERFORATION QUANTITY225.0 PER SQUARE INCH
PERFORATION DIAMETER0.020 INCHES NOMINAL IN
SPECIAL FEATURESSECOND END IS PLAIN W/A PULL OUT STEM 1.250 IN. LG 0.250 IN. DIA CRES TYPE 303 MATERIAL IN
FIRST END FLANGE THICKNESS0.742 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALSTEEL COMP 304 AND STEEL COMP 303
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
B107.54Interchangeable
interchangeable cross-reference
interchangeable
B107.400 CAT 54 TY1Interchangeable
interchangeable cross-reference
interchangeable
57-534Interchangeable
interchangeable cross-reference
interchangeable
57534-17Interchangeable
interchangeable cross-reference
interchangeable
B-57972Interchangeable
interchangeable cross-reference
interchangeable
EW-99CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57534?
57534 is a EJECTOR ASSEMBLY,AIR.
What parts can replace 57534?
There are 8 known substitutes for 57534: B107.54, B107.400 CAT 54 TY1, 57-534 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57534?
57534 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-058-7899. 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