PartsTable
Technical Data Sheet
2670-57 ITEM 62 ✓ 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 TEE,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 1.172 INCHES NOMINAL FIRST END IN, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, special_features: FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY, media_for_which_designed: FLUID SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-178-8461, 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
2670-57 ITEM 62
NSN: 4730-01-178-8461
FSC: 4730
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length1.172 INCHES NOMINAL FIRST END IN
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
special_featuresFOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
media_for_which_designedFLUID SINGLE RESPONSE
nominal_outside_diameter_tube_accommodated0.875 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.058 INCHES SECOND END IN
NSN4730-01-178-8461
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2670-57 ITEM 62 · 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
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.875 INCHES FIRST END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.058 INCHES SECOND END IN
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
MEDIA FOR WHICH DESIGNED: FLUID SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.875 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES THIRD END IN
SPECIAL FEATURESFOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.058 INCHES SECOND END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.049 INCHES FIRST END IN
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.049 INCHES THIRD END IN
MEDIA FOR WHICH DESIGNEDFLUID SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
267057Interchangeable
interchangeable cross-reference
interchangeable
DD19CA061Interchangeable
interchangeable cross-reference
interchangeable
NFT5-4Interchangeable
interchangeable cross-reference
interchangeable
A16447Interchangeable
interchangeable cross-reference
interchangeable
202208-4-4BInterchangeable
interchangeable cross-reference
interchangeable
503-4556027ITEM3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2670-57 ITEM 62?
2670-57 ITEM 62 is a TEE,TUBE.
What parts can replace 2670-57 ITEM 62?
There are 25 known substitutes for 2670-57 ITEM 62: 267057, DD19CA061, NFT5-4 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2670-57 ITEM 62?
2670-57 ITEM 62 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-178-8461. This indicates validated use in U.S. government and defense supply chains.
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