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Technical Data Sheet
PartsTable / COMPONENT / 2620.920X12 PIECE 36 4IN
2620.920X12 PIECE 36 4IN ✓ 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 2620.920X12 PIECE 36 4IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-116-6783, 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
2620.920X12 PIECE 36 4IN
NSN: 4730-01-116-6783
FSC: 4730
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part Number2620.920X12 PIECE 36 4IN
NSN4730-01-116-6783
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2620.920X12 PIECE 36 4IN · 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
•
DRIVE END STYLE: RAISED SQUARE
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
•
CONNECTION STYLE: PLAIN
•
BODY TYPE: SOLID
•
THREAD CLASS: 2A EXTERNAL A
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
DRIVE END STYLERAISED SQUARE
NOMINAL PIPE SIZE FOR WHICH DESIGNED4.000 INCHES IN
CONNECTION STYLEPLAIN
BODY TYPESOLID
THREAD CLASS2A EXTERNAL A
THREAD SERIES DESIGNATORNPT EXTERNAL
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE4.000 INCHES EXTERNAL IN
HEAD TYPESOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
845-2181282 PIECE 28 3 IN.Interchangeable
interchangeable cross-reference
interchangeable
1/2 CHRG50Interchangeable
interchangeable cross-reference
interchangeable
1/2 INCH 52100 GRADE 50Interchangeable
interchangeable cross-reference
interchangeable
C600-045-1250Interchangeable
interchangeable cross-reference
interchangeable
845-2181282Interchangeable
interchangeable cross-reference
interchangeable
26M77-100 PC MK73Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620.920X12 PIECE 36 4IN?
2620.920X12 PIECE 36 4IN is a 2620.920X12 PIECE 36 4IN.
What parts can replace 2620.920X12 PIECE 36 4IN?
There are 27 known substitutes for 2620.920X12 PIECE 36 4IN: 845-2181282 PIECE 28 3 IN., 1/2 CHRG50, 1/2 INCH 52100 GRADE 50 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2620.920X12 PIECE 36 4IN?
2620.920X12 PIECE 36 4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-116-6783. 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