550012-1 — PULLEY ASSEMBLY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

550012-1: PULLEY ASSEMBLY.

The PULLEY ASSEMBLY is a the manufacturer industrial component. Key specifications include special_features: USED ON AN INERTIAL NAVIGATION SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5845-01-178-9724, 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

MRO→ MRO_GENERAL→ 550012-1

NSN: 5845-01-178-9724
NIINs: 011789724, 012444983
FSC: 5845 — Underwater Sound Equipment
CAGE: 94404 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)

SPECIFICATIONS

special_features	USED ON AN INERTIAL NAVIGATION SYSTEM
NSN	5845-01-178-9724

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM PULLEY 6061-T6,TEMPER T6 PER ASTM STD B211; FINISH: ANODIZE TYPE II,CLASS 2,BLACK PER MIL-A-8625; 1.669 IN. MIN 1.673 IN. MAX OD; 0.750 IN LG; TOOTH DATA: PITCH 0.125; PITCH DIA 1.631; NUMBER OF GROOVES 41; TOOTH PROFILE 50 DEG; SHAFT CRES BAR,CLASS 303,COND A,COLD FINISH PER QQ-S-764; 2.180 IN. LG; 0.2495 IN. MIN 0.2497 IN. MAX DIA; SHAFT IS PINNED TO PULLEY ON HUB BY 2 SET SCREWS 0.062 IN. DIA,0.1120-40 UNC THDS; BORE IS 0.2500 IN. MIN 0.2510 IN. MAX DIA IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

ALUMINUM PULLEY 6061-T6,TEMPER T6 PER ASTM STD B211; FINISH: ANODIZE TYPE II,CLASS 2,BLACK PER MIL-A-8625; 1.669 IN. MIN 1.673 IN. MAX OD; 0.750 IN LG; TOOTH DATA: PITCH 0.125; PITCH DIA 1.631; NUMBER OF GROOVES 41; TOOTH PROFILE 50 DEG; SHAFT CRES BAR,CLASS 303,COND A,COLD FINISH PER QQ-S-764; 2.180 IN. LG; 0.2495 IN. MIN 0.2497 IN. MAX DIA; SHAFT IS PINNED TO PULLEY ON HUB BY 2 SET SCREWS 0.062 IN. DIA,0.1120-40 UNC THDS; BORE IS 0.2500 IN. MIN 0.2510 IN. MAX DIA 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 550012-1?

550012-1 is a PULLEY ASSEMBLY. It is classified as a MRO (MRO_GENERAL).

What is the NSN for 550012-1?

550012-1 is cataloged in the U.S. Government catalog under NSN 5845-01-178-9724. This indicates validated use in U.S. government and defense supply chains.

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550012-1 — PULLEY ASSEMBLY

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