1550301-20 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

1550301-20: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.203 INCHES NOMINAL IN, surface_finish: 250.0 MICROINCHES ALL SURFACES, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM, overall_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-474-8787, 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

1550301-20

NSN: 5310-01-474-8787
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	0.062 INCHES NOMINAL IN
hole_diameter	0.203 INCHES NOMINAL IN
surface_finish	250.0 MICROINCHES ALL SURFACES
hardness_rating	38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
overall_diameter	0.375 INCHES NOMINAL IN
surface_treatment	PHOSPHATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AISI E4140,UNS G41400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	DOD-P-16232,TYPE M,CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-474-8787

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 250.0 MICROINCHES ALL SURFACES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DOD-P-16232,TYPE M,CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.375 INCHES NOMINAL IN

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI E4140,UNS G41400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: PHOSPHATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE FINISH	250.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DOD-P-16232,TYPE M,CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.375 INCHES NOMINAL IN
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AISI E4140,UNS G41400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	PHOSPHATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 1

1550301Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

Ready to buy 1550301-20?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 1550301-20?

1550301-20 is a WASHER,FLAT.

What parts can replace 1550301-20?

There is 1 known substitute for 1550301-20: 1550301. Substitute compatibility should be verified for your specific system.

What is the NSN for 1550301-20?

1550301-20 is cataloged in the U.S. Government catalog under NSN 5310-01-474-8787. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

1550301-20 — WASHER,FLAT

Request a Quote — 1550301-20