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991450-012 — SWITCH,VIDEO MATRIX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

991450-012: SWITCH,VIDEO MATRIX.

The SWITCH,VIDEO MATRIX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1050 OVERALL, recess_angle: 45.0 DEGREES NOMINAL, hole_diameter: 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, recess_diameter: 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, outside_diameter: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-452-9781, 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
991450-012
NSN: 5310-00-452-9781
NIINs: 004529781, 015220186
FSC: 5310 — Nuts and Washers
CAGE: 99995 — NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1050 OVERALL
recess_angle45.0 DEGREES NOMINAL
hole_diameter0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
recess_diameter0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
outside_diameter0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR AISI ASSN STD 4TH MATERIAL RESPONSE OVERALL
NSN5310-00-452-9781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 991450-012 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR AISI ASSN STD 4TH MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 4130 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1050 OVERALL
•
HOLE DIAMETER: 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR AISI ASSN STD 4TH MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
MATERIAL THICKNESS0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
RECESS DIAMETER0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1050 OVERALL
HOLE DIAMETER0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
RECESS ANGLE45.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES 2
10121395Reference document
Same NSN cross-reference
Reference document — Informative reference only
5310PL0200389Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 991450-012?
991450-012 is a SWITCH,VIDEO MATRIX.
What parts can replace 991450-012?
There are 2 known substitutes for 991450-012: 10121395, 5310PL0200389. Substitute compatibility should be verified for your specific system.
What is the NSN for 991450-012?
991450-012 is cataloged in the U.S. Government catalog under NSN 5310-00-452-9781. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.