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DAA7278D254 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

DAA7278D254: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, bore_type: STRAIGHT, face_width: 0.750 INCHES NOMINAL IN, bore_length: 0.750 INCHES NOMINAL IN, design_form: PLAIN, thread_size: 1/4-20. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-386-3387, 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
DAA7278D254
NSN: 3020-01-386-3387
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
quantity1
bore_typeSTRAIGHT
face_width0.750 INCHES NOMINAL IN
bore_length0.750 INCHES NOMINAL IN
design_formPLAIN
thread_size1/4-20
keyway_width0.251 INCHES NOMINAL IN
bore_diameter1.001 INCHES NOMINAL IN
hole_locationTRANSVERSELY BETWEEN TEETH INTO BORE KEYWAY
furnished_itemsKEYING FACILITY
securing_methodTHREADED HOLE(S)
NSN3020-01-386-3387
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN DAA7278D254 MFR SPROCKET WHEEL
KEY FEATURES
•
SECURING METHOD: THREADED HOLE(S)
•
BORE LENGTH: 0.750 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
OUTSIDE DIAMETER: 4.440 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
•
QUANTITY: 1
•
STYLE DESIGNATOR: PLAIN
•
BORE TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS
SECURING METHODTHREADED HOLE(S)
BORE LENGTH0.750 INCHES NOMINAL IN
DESIGN FORMPLAIN
OUTSIDE DIAMETER4.440 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
QUANTITY1
STYLE DESIGNATORPLAIN
BORE TYPESTRAIGHT
TEETH ROW QUANTITY1
TEETH QUANTITY PER ROW12
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DAA7278D254?
DAA7278D254 is a SPROCKET WHEEL.
What is the NSN for DAA7278D254?
DAA7278D254 is cataloged in the U.S. Government catalog under NSN 3020-01-386-3387. 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.