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1003-020 ✓ 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 ELBOW,PIPE is a 3M industrial component. Key specifications include guide: NOT INCLUDED, diameter: 0.081 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, tip_width: 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN, tube_type: MAGNETRON, flute_type: INTEGRAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-5605, 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
1003-020
NSN: 4730-00-231-5605
FSC: 4730
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
guideNOT INCLUDED
diameter0.081 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
tip_width0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
tube_typeMAGNETRON
flute_typeINTEGRAL
shank_typeONE SIDE FLATTED
body_length0.406 INCHES NOMINAL IN
design_typeSINGLE CENTRALLY LOCATED HOLE
point_shapeREGULAR
reamer_typeTAPER PIN
flute_designSTRAIGHT
NSN4730-00-231-5605
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1003-020 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
LM11910Interchangeable
interchangeable cross-reference
interchangeable
6551Interchangeable
interchangeable cross-reference
interchangeable
M302-00Interchangeable
interchangeable cross-reference
interchangeable
M302Interchangeable
interchangeable cross-reference
interchangeable
10-542-2Interchangeable
interchangeable cross-reference
interchangeable
1042-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1003-020?
1003-020 is a ELBOW,PIPE manufactured by 3M.
What parts can replace 1003-020?
There are 26 known substitutes for 1003-020: LM11910, 6551, M302-00 and 23 more. Substitute compatibility should be verified for your specific system.
Is 1003-020 still available?
1003-020 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