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Technical Data Sheet
PartsTable / COMPONENT / 1612B
1612B ✓ 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include angle: 60.0 DEGREES, height: 0.906 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 0.300 INCHES NOMINAL IN, overall_width: 8.000 INCHES NOMINAL IN, inclosure_type: ENCASED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-172-0031, 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
1612B
NSN: 4730-00-172-0031
FSC: 4730
CAGE: 22852 — SPALLA INC (USA)
SPECIFICATIONS
angle60.0 DEGREES
height0.906 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length0.300 INCHES NOMINAL IN
overall_width8.000 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height3.500 INCHES NOMINAL IN
overall_length64.000 INCHES NOMINAL IN
switching_time1.7 MICROSECONDS US
special_featuresTHREAT EMITTE
style_designatorANGLE
basic_shape_styleRECTANGULAR OR SQUARE
NSN4730-00-172-0031
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1612B · 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 34
5308Interchangeable
interchangeable cross-reference
interchangeable
273351Interchangeable
interchangeable cross-reference
interchangeable
722688Interchangeable
interchangeable cross-reference
interchangeable
901510-2-3Interchangeable
interchangeable cross-reference
interchangeable
271284Interchangeable
interchangeable cross-reference
interchangeable
122-660345 PC 30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1612B?
1612B is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 1612B?
There are 34 known substitutes for 1612B: 5308, 273351, 722688 and 31 more. Substitute compatibility should be verified for your specific system.
Is 1612B still available?
1612B 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