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Technical Data Sheet
PartsTable / COMPONENT / 66870
66870 ✓ 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

PAD,LITHOGRAPHIC PLATE SOLUTION. Key specifications include material: STEEL COMP 301 OVERALL, hole_diameter: 1.580 INCHES NOMINAL IN, overall_height: 0.140 INCHES NOMINAL IN, outside_diameter: 1.900 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.040 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-188-3514, 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
66870
NSN: 4730-00-188-3514
FSC: 4730
CAGE: 99551 — GOODRICH CORPORATION DBA GOODRICH CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
hole_diameter1.580 INCHES NOMINAL IN
overall_height0.140 INCHES NOMINAL IN
outside_diameter1.900 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.040 INCHES NOMINAL IN
material_document_and_classificationQQ-S-766 CL 301 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-188-3514
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 66870 · 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
•
CORE DEPTH: 0.350 INCHES MAXIMUM IN
•
DRIVE END STYLE: RAISED SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.375 INCHES EXTERNAL IN
•
BODY CORE DIAMETER: 0.359 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.375 INCHES IN
•
MATERIAL: COPPER ALLOY 360 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CORE DEPTH0.350 INCHES MAXIMUM IN
DRIVE END STYLERAISED SQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.375 INCHES EXTERNAL IN
BODY CORE DIAMETER0.359 INCHES NOMINAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.375 INCHES IN
END ITEM IDENTIFICATIONGRUMMAN A10 AIRCRAFT
MATERIALCOPPER ALLOY 360 OVERALL
BODY TYPECORED
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
NH66870Interchangeable
interchangeable cross-reference
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VS407Interchangeable
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V472Interchangeable
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2749Interchangeable
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NY460-622-4PC515Interchangeable
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MILM17321Interchangeable
interchangeable cross-reference
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LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66870?
66870 is a PAD,LITHOGRAPHIC PLATE SOLUTION.
What parts can replace 66870?
There are 31 known substitutes for 66870: NH66870, VS407, V472 and 28 more. Substitute compatibility should be verified for your specific system.
Is 66870 still available?
66870 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