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165964 ✓ 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 width: 5.000 MILLIMETERS NOMINAL MM, length: 200.000 FEET NOMINAL FT, precious_material: SILVER, precious_material_and_weight: 0.040 SILVER GRAINS, TROY, precious_material_and_location: EMULSION SILVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-112-0962, 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
165964
NSN: 4730-00-112-0962
FSC: 4730
CAGE: 25980 — GRACO INC. (USA)
SPECIFICATIONS
width5.000 MILLIMETERS NOMINAL MM
length200.000 FEET NOMINAL FT
precious_materialSILVER
precious_material_and_weight0.040 SILVER GRAINS, TROY
precious_material_and_locationEMULSION SILVER
NSN4730-00-112-0962
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 165964 · 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 DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
SCREW THREAD SERIES DESIGNATOR: UNF
•
SCREW THREAD LOCATION: EXTERNAL
•
SMALLEST INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1213
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
SCREW THREAD SERIES DESIGNATORUNF
SPECIAL FEATURESFIRST THD CHAMFER TO 0.375 DIA,END CHAMFER 45.0 DEG BY 0.016 IN. IN
SCREW THREAD LOCATIONEXTERNAL
SMALLEST INSIDE DIAMETER0.250 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
MATERIALSTEEL COMP 1213
STYLE DESIGNATORHEXAGON, EXTERNAL THREAD, BOSS
SURFACE TREATMENTZINC OR CADMIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
RADIOGRAPHIC NDT 65Interchangeable
interchangeable cross-reference
interchangeable
165964Interchangeable
interchangeable cross-reference
interchangeable
12-1396Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 165964?
165964 is a PACKING NUT.
What parts can replace 165964?
There are 3 known substitutes for 165964: RADIOGRAPHIC NDT 65, 165964, 12-1396. Substitute compatibility should be verified for your specific system.
What is the NSN for 165964?
165964 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-112-0962. 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