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91944A470 — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91944A470: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.531 INCHES NOMINAL IN, hardness_rating: 84.0 ROCKWELL B NOMINAL, outside_diameter: 1.125 INCHES NOMINAL IN, special_features: RADIUS:1.500IN;FEMALE ID:0.562 IN, style_designator: CONVEX. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-559-2676, 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
91944A470
NSN: 5310-01-559-2676
FSC: 5310 — Nuts and Washers
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.531 INCHES NOMINAL IN
hardness_rating84.0 ROCKWELL B NOMINAL
outside_diameter1.125 INCHES NOMINAL IN
special_featuresRADIUS:1.500IN;FEMALE ID:0.562 IN
style_designatorCONVEX
material_thickness0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
end_item_identificationMODULE, SUPPORT TYPE I AN/AQS-20A(53711) 8224100 A
part_name_assigned_by_controlling_agency(INAVY)SPHERICAL WASHER
NSN5310-01-559-2676
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91944A470 · 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
•
HARDNESS RATING: 84.0 ROCKWELL B NOMINAL
•
STYLE DESIGNATOR: CONVEX
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING84.0 ROCKWELL B NOMINAL
STYLE DESIGNATORCONVEX
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
MATERIAL THICKNESS0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
SPECIAL FEATURESRADIUS:1.500IN;FEMALE ID:0.562 IN
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY)SPHERICAL WASHER
END ITEM IDENTIFICATIONMODULE, SUPPORT TYPE I AN/AQS-20A(53711) 8224100 A
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.531 INCHES NOMINAL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91944A470?
91944A470 is a WASHER,CONVEX.
What is the NSN for 91944A470?
91944A470 is cataloged in the U.S. Government catalog under NSN 5310-01-559-2676. 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.