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PartsTable / COMPONENT / GAAN1-50951
GAAN1-50951 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, hole_diameter: 0.196 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, outside_diameter: 0.380 INCHES NOMINAL IN, material_thickness: 0.030 INCHES NOMINAL IN, external_prebent_key_length: 0.120 INCHES NOMINAL IN, material_document_and_classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-4977, 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
GAAN1-50951
NSN: 5310-00-350-4977
FSC: 5310
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
hole_diameter0.196 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
outside_diameter0.380 INCHES NOMINAL IN
material_thickness0.030 INCHES NOMINAL IN
external_key_quantity3
external_prebent_key_length0.120 INCHES NOMINAL IN
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.250 INCHES NOMINAL IN
NSN5310-00-350-4977
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GAAN1-50951 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1010 OVERALL
•
OUTSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.196 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY LENGTH: 0.120 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 3
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
OUTSIDE DIAMETER0.380 INCHES NOMINAL IN
HOLE DIAMETER0.196 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
EXTERNAL PREBENT KEY LENGTH0.120 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY3
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
50951Interchangeable
interchangeable cross-reference
interchangeable
02-020-259Interchangeable
interchangeable cross-reference
interchangeable
000605-4001Interchangeable
interchangeable cross-reference
interchangeable
SC-C-69734Interchangeable
interchangeable cross-reference
interchangeable
6122054050Interchangeable
interchangeable cross-reference
interchangeable
FLX4186Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GAAN1-50951?
GAAN1-50951 is a WASHER,KEY.
What parts can replace GAAN1-50951?
There are 8 known substitutes for GAAN1-50951: 50951, 02-020-259, 000605-4001 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GAAN1-50951?
GAAN1-50951 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-4977. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026