91117A231 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

91117A231: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, hole_diameter: 0.688 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL B NOMINAL, overall_diameter: 2.500 INCHES NOMINAL IN, special_features: MATT: STEEL, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-580-1267, 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

91117A231

NSN: 5310-01-580-1267
FSC: 5310 — Nuts and Washers
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)

SPECIFICATIONS

thickness	0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
hole_diameter	0.688 INCHES NOMINAL IN
hardness_rating	40.0 ROCKWELL B NOMINAL
overall_diameter	2.500 INCHES NOMINAL IN
special_features	MATT: STEEL
surface_treatment	ZINC OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	M777A2 HOWITZER
cross-sectional_shape_style	RECTANGULAR
NSN	5310-01-580-1267

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 2.500 INCHES NOMINAL IN

•

HARDNESS RATING: 40.0 ROCKWELL B NOMINAL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ZINC OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	2.500 INCHES NOMINAL IN
HARDNESS RATING	40.0 ROCKWELL B NOMINAL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	MATT: STEEL
SURFACE TREATMENT	ZINC OVERALL
PERIPHERAL SHAPE STYLE	ROUND
END ITEM IDENTIFICATION	M777A2 HOWITZER
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.688 INCHES NOMINAL IN
THICKNESS	0.110 INCHES MINIMUM AND 0.140 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 1

13019649Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 91117A231?

91117A231 is a WASHER,FLAT.

What parts can replace 91117A231?

There is 1 known substitute for 91117A231: 13019649. Substitute compatibility should be verified for your specific system.

What is the NSN for 91117A231?

91117A231 is cataloged in the U.S. Government catalog under NSN 5310-01-580-1267. This indicates validated use in U.S. government and defense supply chains.

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91117A231 — WASHER,FLAT

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