NTA11551-4DP — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

NTA11551-4DP: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, thickness: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.250 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN, overall_diameter: 0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, special_features: TEMPERATURE RATING 350 DEG. CENTIGRADE, surface_treatment: CADMIUM AND CHROMATE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-208-7995, 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

NTA11551-4DP

NSN: 5310-01-208-7995
FSC: 5310 — Nuts and Washers
CAGE: A0170 — LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE (ITA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
thickness	0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter	0.250 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN
overall_diameter	0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
special_features	TEMPERATURE RATING 350 DEG. CENTIGRADE
surface_treatment	CADMIUM AND CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
minimum_tensile_strength	140000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-208-7995

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL

•

MINIMUM TENSILE STRENGTH: 140000 POUNDS PER SQUARE INCH LBS

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	TEMPERATURE RATING 350 DEG. CENTIGRADE
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
MINIMUM TENSILE STRENGTH	140000 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	IRON ALLOY 660 OVERALL
CENTER HOLE SHAPE STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 2

BACW10BP4DPSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL1989941Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NTA11551-4DP?

NTA11551-4DP is a WASHER,FLAT.

What parts can replace NTA11551-4DP?

There are 2 known substitutes for NTA11551-4DP: BACW10BP4DP, 5310PL1989941. Substitute compatibility should be verified for your specific system.

What is the NSN for NTA11551-4DP?

NTA11551-4DP is cataloged in the U.S. Government catalog under NSN 5310-01-208-7995. This indicates validated use in U.S. government and defense supply chains.

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