3977360 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

3977360: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OR STEEL COMP 1035 OR STEEL COMP 1050 OVERALL, thickness: 0.169 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, hole_diameter: 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN, heat_treatment: HARDENED AND TEMPERED, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM, overall_diameter: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-166-2615, 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

3977360

NSN: 5310-01-166-2615
FSC: 5310 — Nuts and Washers
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)

SPECIFICATIONS

material	STEEL COMP 1137 OR STEEL COMP 1035 OR STEEL COMP 1050 OVERALL
thickness	0.169 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
hole_diameter	0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
heat_treatment	HARDENED AND TEMPERED
hardness_rating	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
overall_diameter	1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN	5310-01-166-2615

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN

•

HEAT TREATMENT: HARDENED AND TEMPERED

•

HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 1137 OR STEEL COMP 1035 OR STEEL COMP 1050 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
HEAT TREATMENT	HARDENED AND TEMPERED
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 1137 OR STEEL COMP 1035 OR STEEL COMP 1050 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
THICKNESS	0.169 INCHES MINIMUM AND 0.180 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

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3977360?

3977360 is a WASHER,FLAT.

What is the NSN for 3977360?

3977360 is cataloged in the U.S. Government catalog under NSN 5310-01-166-2615. This indicates validated use in U.S. government and defense supply chains.

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3977360 — WASHER,FLAT

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