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Technical Data Sheet
PartsTable / COMPONENT / 91700-2
91700-2 ✓ 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 LATCH ASSEMBLY,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: LONG, nominal_thread_size: 0.125 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1963, 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
91700-2
NSN: 4730-00-196-1963
FSC: 4730
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorLONG
nominal_thread_size0.125 INCHES ALL ENDS IN
nominal_overall_length2.000 INCHES IN
thread_series_designatorNPT ALL ENDS
specification/standard_data81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
criticality_code_justificationFEAT
material_document_and_classificationASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-196-1963
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 91700-2 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: LONG
•
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORLONG
NOMINAL OVERALL LENGTH2.000 INCHES IN
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALCOPPER ALLOY OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
NOMINAL OVERALL LENGTH2.000 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
80XL037Interchangeable
interchangeable cross-reference
interchangeable
91700-2Interchangeable
interchangeable cross-reference
interchangeable
MS51846-9Interchangeable
Same NIIN cross-reference
interchangeable
P974Interchangeable
Same NIIN cross-reference
interchangeable
113B1-8X2Interchangeable
Same NIIN cross-reference
interchangeable
ASTM-B687Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91700-2?
91700-2 is a LATCH ASSEMBLY,AIRCRAFT.
What parts can replace 91700-2?
There are 10 known substitutes for 91700-2: 80XL037, 91700-2, MS51846-9 and 7 more. Substitute compatibility should be verified for your specific system.
Is 91700-2 still available?
91700-2 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