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MS-19070-283 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS-19070-283: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_diameter: 5.582 INCHES NOMINAL IN, outside_diameter: 6.576 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.132 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-725-4747, 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
MS-19070-283
NSN: 5310-01-725-4747
FSC: 5310 — Nuts and Washers
CAGE: 79568 — WHITTET-HIGGINS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter5.582 INCHES NOMINAL IN
outside_diameter6.576 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentPASSIVATE OVERALL
material_thickness0.132 INCHES NOMINAL IN
external_key_quantity20
internal_key_quantity1
external_prebent_key_angle45.0 DEGREES NOMINAL
external_prebent_key_width0.520 INCHES NOMINAL IN
internal_straight_key_width0.590 INCHES NOMINAL IN
overall_distance_including_keys5.438 INCHES NOMINAL IN
NSN5310-01-725-4747
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS-19070-283 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL STRAIGHT KEY WIDTH: 0.590 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2700 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 5.438 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-DTL-21338B NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 6.576 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.132 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 20
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.590 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2700 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DISTANCE INCLUDING KEYS5.438 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-DTL-21338B NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER6.576 INCHES NOMINAL IN
MATERIAL THICKNESS0.132 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY20
EXTERNAL PREBENT KEY ANGLE45.0 DEGREES NOMINAL
SURFACE TREATMENTPASSIVATE 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

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 MS-19070-283?
MS-19070-283 is a WASHER,KEY.
What is the NSN for MS-19070-283?
MS-19070-283 is cataloged in the U.S. Government catalog under NSN 5310-01-725-4747. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.