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98-9277-01 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98-9277-01: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.472 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: INTERNAL PREBENT KEY, material_thickness: 0.100 INCHES NOMINAL IN, wire_hole_diameter: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-499-8771, 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
98-9277-01
NSN: 5310-01-499-8771
FSC: 5310 — Nuts and Washers
CAGE: 13636 — HUTCHINSON AEROSPACE & INDUSTRY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.472 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN
outside_diameter0.750 INCHES NOMINAL IN
style_designatorINTERNAL PREBENT KEY
material_thickness0.100 INCHES NOMINAL IN
wire_hole_diameter0.062 INCHES NOMINAL IN
internal_prebent_key_width0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
distance_from_key_center_to_wire_hole_center0.156 INCHES NOMINAL IN
NSN5310-01-499-8771
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98-9277-01 · 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
•
WIRE HOLE DIAMETER: 0.062 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNAL PREBENT KEY
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.100 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.472 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.062 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER0.156 INCHES NOMINAL IN
STYLE DESIGNATORINTERNAL PREBENT KEY
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.100 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.472 INCHES MINIMUM AND 0.487 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 98-9277-01?
98-9277-01 is a WASHER,KEY.
What is the NSN for 98-9277-01?
98-9277-01 is cataloged in the U.S. Government catalog under NSN 5310-01-499-8771. 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.