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Technical Data Sheet
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1256-SB — 1256-SB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1256-SB: 1256-SB.

The 1256-SB is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6685-01-515-2149, 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
1256-SB
NSN: 6685-01-515-2149
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 3Q8A5 — KESSLER THERMOMETER CORP DBA KESSLER THERMOMETERS CORP (USA)
SPECIFICATIONS
Part Number1256-SB
NSN6685-01-515-2149
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1256-SB TITLE COMPONENT PN 1256-SB MFR 1256-SB
KEY FEATURES
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SCALE INSCRIPTION/BACKGROUND COLOR: BLACK MARKING ON WHITE BACKGROUND
•
SCALE ACCURACY RATING: FIRST SCALE 0.5 DEG FAHRENHEIT FULL RANGE OF SCALE
•
STYLE DESIGNATOR: CYLINDRICAL BULB
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IMMERSION LENGTH: 12.000 INCHES NOMINAL IN
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SCALE TYPE: VERTICAL
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SCALE MEASUREMENT RANGE: +0.000 TO 180.000 DEG FAHRENHEIT
TECHNICAL CHARACTERISTICS
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKING ON WHITE BACKGROUND
SCALE ACCURACY RATINGFIRST SCALE 0.5 DEG FAHRENHEIT FULL RANGE OF SCALE
STYLE DESIGNATORCYLINDRICAL BULB
IMMERSION LENGTH12.000 INCHES NOMINAL IN
SCALE TYPEVERTICAL
SCALE MEASUREMENT RANGE+0.000 TO 180.000 DEG FAHRENHEIT
OTHER ITEMS IN FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475 6685-00-001-1503 6685-00-001-1643 6685-00-001-1711 6685-00-001-2099 6685-00-001-2100 6685-00-001-2101 6685-00-001-2102
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1256-SB?
1256-SB is a 1256-SB.
What is the NSN for 1256-SB?
1256-SB is cataloged in the U.S. Government catalog under NSN 6685-01-515-2149. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.