11674371 — WASHER,KEY

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

11674371: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1015 AND STEEL COMP 1025 OVERALL, hole_diameter: 3.896 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES BOTTOM, hardness_rating: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM, outside_diameter: 5.440 INCHES NOMINAL IN, style_designator: KEY. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-043-5268, 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

11674371

NSN: 5310-01-043-5268
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 1015 AND STEEL COMP 1025 OVERALL
hole_diameter	3.896 INCHES NOMINAL IN
surface_finish	63.0 MICROINCHES BOTTOM
hardness_rating	89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
outside_diameter	5.440 INCHES NOMINAL IN
style_designator	KEY
material_thickness	0.185 INCHES NOMINAL IN
internal_key_quantity	1
internal_straight_key_width	0.355 INCHES NOMINAL IN
material_document_and_classification	QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key	1.844 INCHES NOMINAL IN
NSN	5310-01-043-5268

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES BOTTOM

•

INTERNAL STRAIGHT KEY WIDTH: 0.355 INCHES NOMINAL IN

•

DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 1.844 INCHES NOMINAL IN

•

HARDNESS RATING: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM

•

STYLE DESIGNATOR: KEY

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 5.440 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
INTERNAL STRAIGHT KEY WIDTH	0.355 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	1.844 INCHES NOMINAL IN
HARDNESS RATING	89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
STYLE DESIGNATOR	KEY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	5.440 INCHES NOMINAL IN
MATERIAL THICKNESS	0.185 INCHES NOMINAL IN
MATERIAL	STEEL COMP 1015 AND STEEL COMP 1025 OVERALL

OTHER ITEMS IN FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 1

5310010435268Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 11674371?

11674371 is a WASHER,KEY.

What parts can replace 11674371?

There is 1 known substitute for 11674371: 5310010435268. Substitute compatibility should be verified for your specific system.

What is the NSN for 11674371?

11674371 is cataloged in the U.S. Government catalog under NSN 5310-01-043-5268. This indicates validated use in U.S. government and defense supply chains.

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11674371 — WASHER,KEY

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