A51H30510-11 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

A51H30510-11: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, thickness: 0.078 INCHES NOMINAL IN, hole_diameter: 0.332 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN, heat_treatment: ANNEALED, hardness_rating: 42.0 ROCKWELL H MINIMUM AND 59.0 ROCKWELL H MAXIMUM, overall_diameter: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-503-4422, 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

A51H30510-11

NSN: 5310-01-503-4422
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
thickness	0.078 INCHES NOMINAL IN
hole_diameter	0.332 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
heat_treatment	ANNEALED
hardness_rating	42.0 ROCKWELL H MINIMUM AND 59.0 ROCKWELL H MAXIMUM
overall_diameter	0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
special_features	WASHER/RETAINER, COUNTERSUNK - SPECIAL; TOP OF WASHER IS .251 MIN DIA AND .255 MAX DIA (INCHES); COUNTERSUNK IS .042 INCHES DEEP IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
inside_left_corner_chamfer_angle	30.0 DEGREES NOMINAL
NSN	5310-01-503-4422

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN

•

HEAT TREATMENT: ANNEALED

•

HARDNESS RATING: 42.0 ROCKWELL H MINIMUM AND 59.0 ROCKWELL H MAXIMUM

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

INSIDE LEFT CORNER CHAMFER ANGLE: 30.0 DEGREES NOMINAL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 4130 OVERALL

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
HEAT TREATMENT	ANNEALED
HARDNESS RATING	42.0 ROCKWELL H MINIMUM AND 59.0 ROCKWELL H MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
INSIDE LEFT CORNER CHAMFER ANGLE	30.0 DEGREES NOMINAL
SPECIAL FEATURES	WASHER/RETAINER, COUNTERSUNK - SPECIAL; TOP OF WASHER IS .251 MIN DIA AND .255 MAX DIA (INCHES); COUNTERSUNK IS .042 INCHES DEEP IN
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 4130 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.332 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN

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: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A51H30510-11?

A51H30510-11 is a WASHER,FLAT.

What is the NSN for A51H30510-11?

A51H30510-11 is cataloged in the U.S. Government catalog under NSN 5310-01-503-4422. This indicates validated use in U.S. government and defense supply chains.

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A51H30510-11 — WASHER,FLAT

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