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Technical Data Sheet
PartsTable / COMPONENT / B2705
B2705 ✓ 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 PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360, nut_style: CAP, nut_height: 0.530 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNS, special_features: 22 TOOTH DRIVE,0.052 IN. TOOTH DEPTH 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 4730-00-095-4182, 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
B2705
NSN: 4730-00-095-4182
FSC: 4730
CAGE: 97196 — EDISON THOMAS A INC AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360
nut_styleCAP
nut_height0.530 INCHES NOMINAL IN
thread_class2B
thread_seriesUNS
special_features22 TOOTH DRIVE,0.052 IN. TOOTH DEPTH IN
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
length_to_shoulder0.344 INCHES NOMINAL IN
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
NSN4730-00-095-4182
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B2705 · 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
•
THREAD CLASS: 3B
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.457 INCHES IN
•
NUT HEIGHT: 0.406 INCHES NOMINAL IN
•
NUT STYLE: TUBE COUPLING
•
NOMINAL THREAD SIZE: 0.687 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES22 TOOTH DRIVE,0.052 IN. TOOTH DEPTH IN
THREAD CLASS3B
MATERIALALUMINUM ALLOY OVERALL
THREAD QUANTITY PER INCH24
NOMINAL TUBE OUTSIDE DIAMETER0.457 INCHES IN
NUT HEIGHT0.406 INCHES NOMINAL IN
NUT STYLETUBE COUPLING
NOMINAL THREAD SIZE0.687 INCHES IN
THREAD SERIESUNS
SMALLEST INSIDE DIAMETER0.457 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
114998Interchangeable
interchangeable cross-reference
interchangeable
00502-0133-1Interchangeable
interchangeable cross-reference
interchangeable
G502Interchangeable
interchangeable cross-reference
interchangeable
78-5-16Interchangeable
interchangeable cross-reference
interchangeable
78SIZE1Interchangeable
interchangeable cross-reference
interchangeable
105199Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2705?
B2705 is a PACKING NUT.
What parts can replace B2705?
There are 11 known substitutes for B2705: 114998, 00502-0133-1, G502 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2705?
B2705 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-095-4182. 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