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Technical Data Sheet
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S3542 ✓ 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

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include material: ALUMINUM OVERALL, body_style: ROUND OPEN BODY, body_length: 1.250 INCHES NOMINAL IN, thread_class: 2B BODY, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 0.250 INCHES BODY IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9741, 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
S3542
NSN: 4730-00-277-9741
FSC: 4730
CAGE: 11568 — GARDNER DENVER INC. (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
body_styleROUND OPEN BODY
body_length1.250 INCHES NOMINAL IN
thread_class2B BODY
surface_treatmentANODIZE OVERALL
nominal_thread_size0.250 INCHES BODY IN
thread_series_designatorUNF BODY
NSN4730-00-277-9741
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S3542 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
102634Interchangeable
interchangeable cross-reference
interchangeable
33797SInterchangeable
interchangeable cross-reference
interchangeable
M15165Interchangeable
interchangeable cross-reference
interchangeable
570F005218Interchangeable
interchangeable cross-reference
interchangeable
F570-10Interchangeable
interchangeable cross-reference
interchangeable
5218Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S3542?
S3542 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace S3542?
There are 29 known substitutes for S3542: 102634, 33797S, M15165 and 26 more. Substitute compatibility should be verified for your specific system.
Is S3542 still available?
S3542 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026