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PartsTable / COMPONENT / H-3373 PIECE 007B
H-3373 PIECE 007B ✓ 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

THERMAL RELEASE,CIRCUIT BREAKER. Key specifications include material: COPPER ALLOY AND NICKEL ALLOY, stem_type: NONRISING, thickness: 0.560 INCHES NOMINAL IN, flow_angle: 90.0 DEGREES, leg_length: 2.120 INCHES NOMINAL FIRST END IN, sweep_type: SHORT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-022-3946, 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
H-3373 PIECE 007B
NSN: 4730-01-022-3946
FSC: 4730
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND NICKEL ALLOY
stem_typeNONRISING
thickness0.560 INCHES NOMINAL IN
flow_angle90.0 DEGREES
leg_length2.120 INCHES NOMINAL FIRST END IN
sweep_typeSHORT
valve_size0.500 INCHES IN
bonnet_typeINSIDE SCREW
neck_height2.000 INCHES NOMINAL IN
temp_rating775.0 FAHRENHEIT NOMINAL DEGF
constructionSEAMLESS
flange_shapeROUND WITH HOLES ALL ENDS
NSN4730-01-022-3946
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H-3373 PIECE 007B · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
S3209BInterchangeable
interchangeable cross-reference
interchangeable
G8897PC57Interchangeable
interchangeable cross-reference
interchangeable
G15172PC50Interchangeable
interchangeable cross-reference
interchangeable
S3263AInterchangeable
interchangeable cross-reference
interchangeable
HC-29N/0221Interchangeable
interchangeable cross-reference
interchangeable
H-3373Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-3373 PIECE 007B?
H-3373 PIECE 007B is a THERMAL RELEASE,CIRCUIT BREAKER.
What parts can replace H-3373 PIECE 007B?
There are 35 known substitutes for H-3373 PIECE 007B: S3209B, G8897PC57, G15172PC50 and 32 more. Substitute compatibility should be verified for your specific system.
Is H-3373 PIECE 007B still available?
H-3373 PIECE 007B 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