6393680-278 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6393680-278: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56401 OVERALL, recess_angle: 100.0 DEGREES NOMINAL, hole_diameter: 0.404 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN, overall_height: 0.170 INCHES NOMINAL IN, recess_diameter: 0.738 INCHES NOMINAL IN, shoulder_height: 0.100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-508-1258, 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

6393680-278

NSN: 5310-01-508-1258
FSC: 5310 — Nuts and Washers
CAGE: 31442 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

material	TITANIUM ALLOY UNS R56401 OVERALL
recess_angle	100.0 DEGREES NOMINAL
hole_diameter	0.404 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN
overall_height	0.170 INCHES NOMINAL IN
recess_diameter	0.738 INCHES NOMINAL IN
shoulder_height	0.100 INCHES NOMINAL IN
outside_diameter	1.498 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
special_features	WASHER FOR MIDBODY FAIRING INSTALLATION
style_designator	SHOULDERED AND RECESSED
shoulder_diameter	0.722 INCHES NOMINAL IN
part_name_assigned_by_controlling_agency	NAVY SPECIAL PROJECT
NSN	5310-01-508-1258

COMPONENT DIAGRAM

KEY FEATURES

•

SHOULDER HEIGHT: 0.100 INCHES NOMINAL IN

•

STYLE DESIGNATOR: SHOULDERED AND RECESSED

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-9046, CODE AB-2, CONDITION A MIL SPEC 1ST MATERIAL RESPONSE OR ASTM B265, GRADE 23 ASSN STD 2ND MATERIAL RESPONSE OR MIL-T-9047, COMP 6AL-4V, COND A MIL SPEC 3RD MATERIAL RESPONSE OR ASTM B-348, GRADE 23 ASSN STD 4TH MATERIAL RESPONSE OVERALL V

•

OUTSIDE DIAMETER: 1.498 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN

•

SHOULDER DIAMETER: 0.722 INCHES NOMINAL IN

•

RECESS DIAMETER: 0.738 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.170 INCHES NOMINAL IN
SHOULDER HEIGHT	0.100 INCHES NOMINAL IN
STYLE DESIGNATOR	SHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-T-9046, CODE AB-2, CONDITION A MIL SPEC 1ST MATERIAL RESPONSE OR ASTM B265, GRADE 23 ASSN STD 2ND MATERIAL RESPONSE OR MIL-T-9047, COMP 6AL-4V, COND A MIL SPEC 3RD MATERIAL RESPONSE OR ASTM B-348, GRADE 23 ASSN STD 4TH MATERIAL RESPONSE OVERALL V
OUTSIDE DIAMETER	1.498 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
SHOULDER DIAMETER	0.722 INCHES NOMINAL IN
RECESS DIAMETER	0.738 INCHES NOMINAL IN
SPECIAL FEATURES	WASHER FOR MIDBODY FAIRING INSTALLATION
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
MATERIAL	TITANIUM ALLOY UNS R56401 OVERALL

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 6393680-278?

6393680-278 is a WASHER,SHOULDERED AND RECESSED.

What is the NSN for 6393680-278?

6393680-278 is cataloged in the U.S. Government catalog under NSN 5310-01-508-1258. This indicates validated use in U.S. government and defense supply chains.

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6393680-278 — WASHER,SHOULDERED AND RECESSED

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