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91117A234 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91117A234: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, hole_diameter: 0.688 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL B MINIMUM, overall_diameter: 2.500 INCHES NOMINAL IN, special_features: DESIGNED FOR 0.625 INCH NOMINAL SCREW IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-581-5016, 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
91117A234
NSN: 5310-01-581-5016
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
hole_diameter0.688 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL B MINIMUM
overall_diameter2.500 INCHES NOMINAL IN
special_featuresDESIGNED FOR 0.625 INCH NOMINAL SCREW IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationEND ITEM NSN: 2320-01-552-5199; MRAP; COUGAR; MEDIUM MINE PROTECTED VEHICLE - MMPV
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-581-5016
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91117A234 · 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
•
OVERALL DIAMETER: 2.500 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 ROCKWELL B MINIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.500 INCHES NOMINAL IN
HARDNESS RATING40.0 ROCKWELL B MINIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESDESIGNED FOR 0.625 INCH NOMINAL SCREW IN
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONEND ITEM NSN: 2320-01-552-5199; MRAP; COUGAR; MEDIUM MINE PROTECTED VEHICLE - MMPV
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.688 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 91117A234?
91117A234 is a WASHER,FLAT.
What is the NSN for 91117A234?
91117A234 is cataloged in the U.S. Government catalog under NSN 5310-01-581-5016. This indicates validated use in U.S. government and defense supply chains.
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