PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 219681
219681 ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: LONG, surface_treatment: ZINC OVERALL, nominal_thread_size: 1.000 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1557, 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
219681
NSN: 4730-00-196-1557
FSC: 4730
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorLONG
surface_treatmentZINC OVERALL
nominal_thread_size1.000 INCHES ALL ENDS IN
nominal_overall_length5.500 INCHES IN
thread_series_designatorNPT ALL ENDS
specification/standard_data81346-A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-196-1557
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 219681 · 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
•
SPECIFICATION/STANDARD DATA: 81346-A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: ZINC OVERALL
•
NOMINAL THREAD SIZE: 1.000 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL OVERALL LENGTH: 5.500 INCHES IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
STYLE DESIGNATOR: LONG
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81346-A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTZINC OVERALL
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
SPECIFICATION/STANDARD DATA81346-A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL OVERALL LENGTH5.500 INCHES IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
STYLE DESIGNATORLONG
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
50017APCBM78Interchangeable
interchangeable cross-reference
interchangeable
16G1094Interchangeable
interchangeable cross-reference
interchangeable
10-52412Interchangeable
interchangeable cross-reference
interchangeable
MS51953-131Interchangeable
Same NIIN cross-reference
interchangeable
ASTM-A733Interchangeable
Same NIIN cross-reference
interchangeable
WWN351Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 219681?
219681 is a NIPPLE,PIPE.
What parts can replace 219681?
There are 6 known substitutes for 219681: 50017APCBM78, 16G1094, 10-52412 and 3 more. Substitute compatibility should be verified for your specific system.
Is 219681 still available?
219681 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