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Technical Data Sheet
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277405 — FITTING,SENSOR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

277405: FITTING,SENSOR.

The FITTING,SENSOR is a the manufacturer industrial component. Key specifications include end_item_identification: JACKET HEATING SEAL 4920011611584, general_characteristics_item_description: C/O PIPE BUSHING AND PIPE PLUG;STAINLESS STEEL;1/8NPT;O/A 1.250 IN. LG BY 0.4375 IN.

OD;PLUG 0.125 IN. ID IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-230-9473, 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
277405
NSN: 4730-01-230-9473
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 65586 — CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC (USA)
SPECIFICATIONS
end_item_identificationJACKET HEATING SEAL 4920011611584
general_characteristics_item_descriptionC/O PIPE BUSHING AND PIPE PLUG;STAINLESS STEEL;1/8NPT;O/A 1.250 IN. LG BY 0.4375 IN. OD;PLUG 0.125 IN. ID IN
NSN4730-01-230-9473
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 277405 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: C/O PIPE BUSHING AND PIPE PLUG;STAINLESS STEEL;1/8NPT;O/A 1.250 IN. LG BY 0.4375 IN. OD;PLUG 0.125 IN. ID IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONC/O PIPE BUSHING AND PIPE PLUG;STAINLESS STEEL;1/8NPT;O/A 1.250 IN. LG BY 0.4375 IN. OD;PLUG 0.125 IN. ID IN
END ITEM IDENTIFICATIONJACKET HEATING SEAL 4920011611584
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 277405?
277405 is a FITTING,SENSOR.
What is the NSN for 277405?
277405 is cataloged in the U.S. Government catalog under NSN 4730-01-230-9473. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.