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Technical Data Sheet
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166-345 — CONNECTOR BODY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

166-345: CONNECTOR BODY.

The CONNECTOR BODY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4730-00-103-9692, 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
166-345
NSN: 4730-00-103-9692
NIINs: 001039692, 011043170
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 25980 — GRACO INC. (USA)
SPECIFICATIONS
Part Number166-345
NSN4730-00-103-9692
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 166-345 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: SAE 1113 CRES;CADMIUM PLATED; 0.750-16 EXTERNAL THD; NF; 0.250.28 INTERNAL THD; 0.562 IN. O/AL; 0.938 IN. W ACROSS FLATS; 0.094 IN. EXTERNAL THD RELEIF; 8 BOLT HOLES; 0.125 IN. DIA EQUALLY SPACED; 0.500 IN. DIA BOLT CIRCLE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSAE 1113 CRES;CADMIUM PLATED; 0.750-16 EXTERNAL THD; NF; 0.250.28 INTERNAL THD; 0.562 IN. O/AL; 0.938 IN. W ACROSS FLATS; 0.094 IN. EXTERNAL THD RELEIF; 8 BOLT HOLES; 0.125 IN. DIA EQUALLY SPACED; 0.500 IN. DIA BOLT CIRCLE IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 166-345?
166-345 is a CONNECTOR BODY.
What is the NSN for 166-345?
166-345 is cataloged in the U.S. Government catalog under NSN 4730-00-103-9692. This indicates validated use in U.S. government and defense supply chains.
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