03311M1320-101 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

03311M1320-101: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hole_diameter: 0.188 INCHES NOMINAL IN, surface_treatment: PRIMER AND CHROMATE OVERALL, width_across_flats: 0.50 INCHES NOMINAL IN, peripheral_shape_style: SQUARE, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-618-6341, 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

03311M1320-101

NSN: 5310-01-618-6341
FSC: 5310 — Nuts and Washers
CAGE: 02591 — NAVAL AIR WARFARE CTR AIRCRAFT DIV (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 7075 OVERALL
hole_diameter	0.188 INCHES NOMINAL IN
special_features	WASHER IS TAPERED FROM .04INCHES THICK AT THE TOP TO .064INCHES THICK AT THE BOTTOM;PROFILE SHAPE IS A TAPERED RECTANGLE IN
surface_treatment	PRIMER AND CHROMATE OVERALL
width_across_flats	0.50 INCHES NOMINAL IN
peripheral_shape_style	SQUARE
center_hole_shape_style	ROUND
end_item_identification	RADAR PROCESS
material_document_and_classification	QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agency	WASHER,PROFILED;WASHER FRAME 29
surface_treatment_document_and_classification	MIL-PRF-23377,TY I,CL C2 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541,CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
NSN	5310-01-618-6341

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.50 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-PRF-23377,TY I,CL C2 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541,CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SURFACE TREATMENT: PRIMER AND CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: SQUARE

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.50 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-PRF-23377,TY I,CL C2 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541,CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPECIAL FEATURES	WASHER IS TAPERED FROM .04INCHES THICK AT THE TOP TO .064INCHES THICK AT THE BOTTOM;PROFILE SHAPE IS A TAPERED RECTANGLE IN
SURFACE TREATMENT	PRIMER AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	SQUARE
PART NAME ASSIGNED BY CONTROLLING AGENCY	WASHER,PROFILED;WASHER FRAME 29
END ITEM IDENTIFICATION	RADAR PROCESS
MATERIAL	ALUMINUM ALLOY 7075 OVERALL
CENTER HOLE SHAPE STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 2

03311M1320Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

75A325991-2001Same 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 03311M1320-101?

03311M1320-101 is a WASHER,FLAT.

What parts can replace 03311M1320-101?

There are 2 known substitutes for 03311M1320-101: 03311M1320, 75A325991-2001. Substitute compatibility should be verified for your specific system.

What is the NSN for 03311M1320-101?

03311M1320-101 is cataloged in the U.S. Government catalog under NSN 5310-01-618-6341. This indicates validated use in U.S. government and defense supply chains.

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