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PartsTable / COMPONENT / 216134 PIECE 19 AND 21
216134 PIECE 19 AND 21 ✓ 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 COUPLING,BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL BOSS FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, material_document_and_classification: MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-214-7008, 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
216134 PIECE 19 AND 21
NSN: 4730-01-214-7008
FSC: 4730
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL BOSS FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
material_document_and_classificationMIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-214-7008
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 216134 PIECE 19 AND 21 · 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 DOCUMENT AND CLASSIFICATION: MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
144052Interchangeable
interchangeable cross-reference
interchangeable
36604 ITEM 23Interchangeable
interchangeable cross-reference
interchangeable
217422-1Interchangeable
interchangeable cross-reference
interchangeable
216134 PIECE 18Interchangeable
interchangeable cross-reference
interchangeable
217422Interchangeable
interchangeable cross-reference
interchangeable
216134Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 216134 PIECE 19 AND 21?
216134 PIECE 19 AND 21 is a COUPLING,BOSS.
What parts can replace 216134 PIECE 19 AND 21?
There are 6 known substitutes for 216134 PIECE 19 AND 21: 144052, 36604 ITEM 23, 217422-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 216134 PIECE 19 AND 21?
216134 PIECE 19 AND 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-214-7008. 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