3M348L7 — WASHER,CONCAVE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

3M348L7: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.496 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN, material: STEEL OVERALL, recess_depth: 0.106 INCHES NOMINAL IN, hole_diameter: 0.595 INCHES NOMINAL IN, heat_treatment: AS FABRICATED, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-100-1474, 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

3M348L7

NSN: 5310-00-100-1474
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

radius	0.496 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
material	STEEL OVERALL
recess_depth	0.106 INCHES NOMINAL IN
hole_diameter	0.595 INCHES NOMINAL IN
heat_treatment	AS FABRICATED
hardness_rating	38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
outside_diameter	0.888 INCHES NOMINAL IN
style_designator	CONCAVE
surface_treatment	CADMIUM AND CHROMATE OVERALL
material_thickness	0.232 INCHES NOMINAL IN
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-100-1474

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

RADIUS: 0.496 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN

•

HEAT TREATMENT: AS FABRICATED

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM

•

STYLE DESIGNATOR: CONCAVE

•

OUTSIDE DIAMETER: 0.888 INCHES NOMINAL IN

•

RECESS DEPTH: 0.106 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.232 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS	0.496 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
HEAT TREATMENT	AS FABRICATED
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	CONCAVE
OUTSIDE DIAMETER	0.888 INCHES NOMINAL IN
RECESS DEPTH	0.106 INCHES NOMINAL IN
MATERIAL THICKNESS	0.232 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

TLN1020L7WReference document

Same NSN cross-reference

Reference document — Secondary reference

6073-07Reference document

Same NSN cross-reference

Reference document — Secondary reference

K19701P7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 3M348L7?

3M348L7 is a WASHER,CONCAVE.

What parts can replace 3M348L7?

There are 3 known substitutes for 3M348L7: TLN1020L7W, 6073-07, K19701P7. Substitute compatibility should be verified for your specific system.

What is the NSN for 3M348L7?

3M348L7 is cataloged in the U.S. Government catalog under NSN 5310-00-100-1474. This indicates validated use in U.S. government and defense supply chains.

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