489139 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

489139: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, thickness: 0.043 INCHES NOMINAL IN, hole_diameter: 0.085 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, overall_diameter: 0.340 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-051-9249, 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

489139

NSN: 5310-00-051-9249
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
thickness	0.043 INCHES NOMINAL IN
hole_diameter	0.085 INCHES NOMINAL IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
overall_diameter	0.340 INCHES NOMINAL IN
special_features	DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES & MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
surface_treatment	CADMIUM OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
criticality_code_justification	FEAT
material_document_and_classification	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-051-9249

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.340 INCHES NOMINAL IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.340 INCHES NOMINAL IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
CRITICALITY CODE JUSTIFICATION	FEAT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES & MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
SURFACE TREATMENT	CADMIUM OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 8740 OVERALL
CENTER HOLE SHAPE STYLE	ROUND

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

No substitute or cross-reference records for this part.

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 489139?

489139 is a WASHER,FLAT.

What is the NSN for 489139?

489139 is cataloged in the U.S. Government catalog under NSN 5310-00-051-9249. This indicates validated use in U.S. government and defense supply chains.

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489139 — WASHER,FLAT

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