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PartsTable / COMPONENT / 57017 ITEM 691
57017 ITEM 691 ✓ 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 NOZZLE,SPRAY,FLUID-EMULSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.560 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, nominal_outside_diameter_tube_accommodated: 1.680 INCHES ALL ENDS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-143-4131, 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
57017 ITEM 691
NSN: 4730-01-143-4131
FSC: 4730
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length1.560 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
nominal_outside_diameter_tube_accommodated1.680 INCHES ALL ENDS IN
NSN4730-01-143-4131
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 57017 ITEM 691 · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
LEG LENGTH: 1.560 INCHES NOMINAL ALL ENDS IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.680 INCHES ALL ENDS IN
•
FLOW ANGLE: 90.0 DEGREES
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLESOCKET (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
LEG LENGTH1.560 INCHES NOMINAL ALL ENDS IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.680 INCHES ALL ENDS IN
FLOW ANGLE90.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
67241Interchangeable
interchangeable cross-reference
interchangeable
149205001Interchangeable
interchangeable cross-reference
interchangeable
12423Interchangeable
interchangeable cross-reference
interchangeable
122-7064174 PC1Interchangeable
interchangeable cross-reference
interchangeable
11630499-1Interchangeable
interchangeable cross-reference
interchangeable
57017 ITEM 692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57017 ITEM 691?
57017 ITEM 691 is a NOZZLE,SPRAY,FLUID-EMULSION.
What parts can replace 57017 ITEM 691?
There are 8 known substitutes for 57017 ITEM 691: 67241, 149205001, 12423 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57017 ITEM 691?
57017 ITEM 691 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-143-4131. 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