117D2974 — GEAR SECTOR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

117D2974: GEAR SECTOR,SPUR.

The GEAR SECTOR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, tooth_form: STANDARD, pitch_radius: 5.4500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 27, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-528-1370, 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

117D2974

NSN: 3020-00-528-1370
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)

SPECIFICATIONS

material	STEEL OVERALL
tooth_form	STANDARD
pitch_radius	5.4500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	27
hardness_rating	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_features	BOTTOM FLANGE 0.255 IN THICK FOR MTG HOLES IN
style_designator	HUBLESS, RECESSED BODY
attachment_method	MOUNTING HOLE
arc_nominal_length	8.650 INCHES IN
face_nominal_width	0.760 INCHES IN
nominal_outside_radius	5.514 INCHES IN
NSN	3020-00-528-1370

COMPONENT DIAGRAM

KEY FEATURES

•

TEETH QUANTITY: 27

•

NOMINAL OUTSIDE RADIUS: 5.514 INCHES IN

•

MOUNTING HOLE TYPE AND QUANTITY: 3 PLAIN AND 2 PLAIN AXIALLY THROUGH BODY FIRST END

•

PRECISION CLASSIFICATION: QUALITY NUMBER 10

•

MOUNTING HOLE NOMINAL DIAMETER: 0.285 INCHES AND 0.030 INCHES AXIALLY THROUGH BODY FIRST END IN

•

HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: HUBLESS, RECESSED BODY

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-626,COMP 8620 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624,COND NORMALIZED FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

TEETH QUANTITY	27
NOMINAL OUTSIDE RADIUS	5.514 INCHES IN
MOUNTING HOLE TYPE AND QUANTITY	3 PLAIN AND 2 PLAIN AXIALLY THROUGH BODY FIRST END
PRECISION CLASSIFICATION	QUALITY NUMBER 10
MOUNTING HOLE NOMINAL DIAMETER	0.285 INCHES AND 0.030 INCHES AXIALLY THROUGH BODY FIRST END IN
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	HUBLESS, RECESSED BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-626,COMP 8620 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624,COND NORMALIZED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TOOTH FORM	STANDARD
ARC NOMINAL LENGTH	8.650 INCHES IN

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: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 117D2974?

117D2974 is a GEAR SECTOR,SPUR.

What is the NSN for 117D2974?

117D2974 is cataloged in the U.S. Government catalog under NSN 3020-00-528-1370. This indicates validated use in U.S. government and defense supply chains.

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117D2974 — GEAR SECTOR,SPUR

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