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Technical Data Sheet
PartsTable / COMPONENT / 40061-6
40061-6 ✓ Verified by PartsTable
3M · 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 BEARING,WASHER,THRUST is a 3M industrial component. Key specifications include diameter: 0.5050 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 0.7190 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.0290 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-395-7341, 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
40061-6
NSN: 4730-00-395-7341
FSC: 4730
CAGE: 77948 — SINGER CO THE (USA)
SPECIFICATIONS
diameter0.5050 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter0.7190 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.0290 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN4730-00-395-7341
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 40061-6 · 3M ⚠ 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: FLARED ALL ENDS
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
MATERIAL: ALUMINUM ALLOY BODY
•
THREAD CLASS: 3A ALL ENDS A
•
QUICK DISCONNECT METHOD: TWIST-LOCK ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
SURFACE TREATMENT: ANODIZE BODY
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARED ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
MATERIALALUMINUM ALLOY BODY
THREAD CLASS3A ALL ENDS A
QUICK DISCONNECT METHODTWIST-LOCK ALL ENDS
OVERALL LENGTH1.984 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
SURFACE TREATMENTANODIZE BODY
SEAT ANGLE37.0 DEGREES
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
987PInterchangeable
interchangeable cross-reference
interchangeable
3947746Interchangeable
interchangeable cross-reference
interchangeable
40061-6Interchangeable
interchangeable cross-reference
interchangeable
8-101AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40061-6?
40061-6 is a BEARING,WASHER,THRUST manufactured by 3M.
What parts can replace 40061-6?
There are 4 known substitutes for 40061-6: 987P, 3947746, 40061-6 and 1 more. Substitute compatibility should be verified for your specific system.
Is 40061-6 still available?
40061-6 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