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12296879 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12296879: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.900 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN, hardness_rating: 85.5 ROCKWELL SUPERFICIAL 15-N NOMINAL, outside_diameter: 3.000 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-102-4670, 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
12296879
NSN: 5310-01-102-4670
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.900 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN
hardness_rating85.5 ROCKWELL SUPERFICIAL 15-N NOMINAL
outside_diameter3.000 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
internal_key_quantity1
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
internal_straight_key_width0.218 INCHES NOMINAL IN
distance_from_centerline_to_top_of_internal_key0.806 INCHES MINIMUM AND 0.811 INCHES MAXIMUM IN
NSN5310-01-102-4670
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12296879 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.218 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.806 INCHES MINIMUM AND 0.811 INCHES MAXIMUM IN
•
HARDNESS RATING: 85.5 ROCKWELL SUPERFICIAL 15-N NOMINAL
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.218 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.806 INCHES MINIMUM AND 0.811 INCHES MAXIMUM IN
HARDNESS RATING85.5 ROCKWELL SUPERFICIAL 15-N NOMINAL
STYLE DESIGNATORKEY
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.900 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN
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 1
10088049Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12296879?
12296879 is a WASHER,KEY.
What parts can replace 12296879?
There is 1 known substitute for 12296879: 10088049. Substitute compatibility should be verified for your specific system.
What is the NSN for 12296879?
12296879 is cataloged in the U.S. Government catalog under NSN 5310-01-102-4670. This indicates validated use in U.S. government and defense supply chains.
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