991 4137 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

991 4137: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 2.0 MILLIMETERS NOMINAL MM, hole_diameter: 13.5 MILLIMETERS NOMINAL MM, hardness_rating: 200.0 BRINELL MINIMUM, overall_diameter: 24.0 MILLIMETERS NOMINAL MM, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-271-9602, 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

991 4137

NSN: 5310-01-271-9602
FSC: 5310 — Nuts and Washers
CAGE: 34914 — HIAB USA INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	2.0 MILLIMETERS NOMINAL MM
hole_diameter	13.5 MILLIMETERS NOMINAL MM
hardness_rating	200.0 BRINELL MINIMUM
overall_diameter	24.0 MILLIMETERS NOMINAL MM
surface_treatment	ZINC OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-097-0260 HIAB CRANE (HEMTT)
cross-sectional_shape_style	RECTANGULAR
NSN	5310-01-271-9602

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 24.0 MILLIMETERS NOMINAL MM

•

HARDNESS RATING: 200.0 BRINELL MINIMUM

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ZINC OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	24.0 MILLIMETERS NOMINAL MM
HARDNESS RATING	200.0 BRINELL MINIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	ZINC OVERALL
PERIPHERAL SHAPE STYLE	ROUND
END ITEM IDENTIFICATION	HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-097-0260 HIAB CRANE (HEMTT)
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	13.5 MILLIMETERS NOMINAL MM
THICKNESS	2.0 MILLIMETERS NOMINAL MM

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

18EM1224Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 991 4137?

991 4137 is a WASHER,FLAT.

What parts can replace 991 4137?

There is 1 known substitute for 991 4137: 18EM1224. Substitute compatibility should be verified for your specific system.

What is the NSN for 991 4137?

991 4137 is cataloged in the U.S. Government catalog under NSN 5310-01-271-9602. This indicates validated use in U.S. government and defense supply chains.

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991 4137 — WASHER,FLAT

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