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547944 — GEAR,SPUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

547944: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, pitch_diameter: 1.1667 INCHES NOMINAL IN, pressure_angle: 28.0000 DEGREES, spline_quantity: 16 BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-717-7747, 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
547944
NSN: 5340-00-717-7747
NIINs: 007177747, 009481835
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleINVOLUTE SPLINE BOTH ENDS
pitch_diameter1.1667 INCHES NOMINAL IN
pressure_angle28.0000 DEGREES
teeth_quantity7
spline_quantity16 BOTH ENDS
style_designatorPROTRUDING HUB
face_nominal_width1.351 INCHES IN
hub_nominal_diameter0.686 INCHES FIRST END IN
hub_style_designatorPLAIN FIRST END
bore_nominal_diameter0.575 INCHES BOTH ENDS IN
NSN5340-00-717-7747
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 547944 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COUNTERSINK ANGLE IN DEG: 0.4
•
FIRST STEP DIAMETER: 1.8000 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 27.0 ROCKWELL B MINIMUM AND 60.0 ROCKWELL B MAXIMUM
•
END DIAMETER: 0.7200 INCHES NOMINAL IN
•
COUNTERSINK DIAMETER: 0.2550 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1600 INCHES NOMINAL IN
•
DESIGN TYPE: SPLIT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.4800 INCHES NOMINAL IN
COUNTERSINK ANGLE IN DEG0.4
FIRST STEP DIAMETER1.8000 INCHES NOMINAL IN
MATERIAL HARDNESS RATING27.0 ROCKWELL B MINIMUM AND 60.0 ROCKWELL B MAXIMUM
END DIAMETER0.7200 INCHES NOMINAL IN
COUNTERSINK DIAMETER0.2550 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1600 INCHES NOMINAL IN
DESIGN TYPESPLIT
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.1200 INCHES NOMINAL IN
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 547944?
547944 is a GEAR,SPUR.
What is the NSN for 547944?
547944 is cataloged in the U.S. Government catalog under NSN 5340-00-717-7747. 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.