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Technical Data Sheet
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512013 ✓ 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 SHIM SEAT,INSERT,CUTTING TOOL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_style: PLAIN (PIPE) FIRST END, nominal_thread_size: 0.125 INCHES FIRST END IN, nominal_overall_length: 1.540 INCHES IN, end_item_identification: A-10 AIRCRAFT, thread_series_designator: NPTF FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-140-3770, 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
512013
NSN: 4730-00-140-3770
FSC: 4730
CAGE: 26269 — U. S. DYNAMICS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_stylePLAIN (PIPE) FIRST END
nominal_thread_size0.125 INCHES FIRST END IN
nominal_overall_length1.540 INCHES IN
end_item_identificationA-10 AIRCRAFT
thread_series_designatorNPTF FIRST END
part_name_assigned_by_controlling_agencySHIM SEAT,INSERT,CUTTING TOOL
nominal_inside_diameter_hose_accommodated0.375 INCHES SECOND END IN
NSN4730-00-140-3770
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 512013 · 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 INSIDE DIAMETER HOSE ACCOMMODATED: 0.375 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.540 INCHES IN
•
NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
THREAD SERIES DESIGNATOR: NPTF FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.375 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.540 INCHES IN
NOMINAL THREAD SIZE0.125 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEBARBED OR BEADED (HOSE) SECOND END
THREAD SERIES DESIGNATORNPTF FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
981267Interchangeable
interchangeable cross-reference
interchangeable
512013Interchangeable
interchangeable cross-reference
interchangeable
512.013Interchangeable
interchangeable cross-reference
interchangeable
1137509Interchangeable
interchangeable cross-reference
interchangeable
293344C1Interchangeable
Same NIIN cross-reference
interchangeable
1709AS806-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 512013?
512013 is a SHIM SEAT,INSERT,CUTTING TOOL.
What parts can replace 512013?
There are 11 known substitutes for 512013: 981267, 512013, 512.013 and 8 more. Substitute compatibility should be verified for your specific system.
Is 512013 still available?
512013 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