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F101933 ✓ 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 REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, reducer_type: CONCENTRIC, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: COMPRESSION (TUBE) ALL ENDS, nominal_thread_size: 0.562 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-156-9976, 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
F101933
NSN: 4730-01-156-9976
FSC: 4730
CAGE: 44185 — TLD WOLLARD LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleCOMPRESSION (TUBE) ALL ENDS
nominal_thread_size0.562 INCHES FIRST END IN
seat_nominal_radius0.06 INCHES ALL ENDS IN
nominal_overall_length0.900 INCHES IN
media_for_which_designedOIL SECOND RESPONSE
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity2 TUBE COUPLING NUT W/SLEEVE
nominal_outside_diameter_tube_accommodated0.312 INCHES SECOND END IN
NSN4730-01-156-9976
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: F101933 · 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
•
SEAT NOMINAL RADIUS: 0.06 INCHES ALL ENDS IN
•
MEDIA FOR WHICH DESIGNED: OIL SECOND RESPONSE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES SECOND END IN
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
•
REDUCER TYPE: CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
SEAT NOMINAL RADIUS0.06 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDOIL SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES SECOND END IN
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDFLUID FIRST RESPONSE
REDUCER TYPECONCENTRIC
CONNECTION STYLECOMPRESSION (TUBE) ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S32Interchangeable
interchangeable cross-reference
interchangeable
13530Interchangeable
interchangeable cross-reference
interchangeable
1000DS32Interchangeable
interchangeable cross-reference
interchangeable
S-32-2-2Interchangeable
interchangeable cross-reference
interchangeable
6636-1310-7032Interchangeable
interchangeable cross-reference
interchangeable
S-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F101933?
F101933 is a REDUCER,TUBE.
What parts can replace F101933?
There are 8 known substitutes for F101933: S32, 13530, 1000DS32 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F101933?
F101933 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-156-9976. 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