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121P10085-1 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

121P10085-1: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 OVERALL, hole_diameter: 1.890 INCHES NOMINAL IN, outside_diameter: 2.625 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: ANODIZE OVERALL, material_thickness: 0.090 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-820-6903, 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
121P10085-1
NSN: 5310-00-820-6903
FSC: 5310 — Nuts and Washers
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014 OVERALL
hole_diameter1.890 INCHES NOMINAL IN
outside_diameter2.625 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentANODIZE OVERALL
material_thickness0.090 INCHES NOMINAL IN
internal_key_quantity1
internal_straight_key_width0.109 INCHES NOMINAL IN
material_document_and_classificationQQ-A-255,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key0.883 INCHES NOMINAL IN
NSN5310-00-820-6903
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 121P10085-1 · 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: 0.109 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.883 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-255,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.625 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.090 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY 2014 OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.109 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.883 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-255,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.090 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 2014 OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.890 INCHES NOMINAL 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 2
12P10085-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
121P10085-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121P10085-1?
121P10085-1 is a WASHER,KEY.
What parts can replace 121P10085-1?
There are 2 known substitutes for 121P10085-1: 12P10085-1, 121P10085-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 121P10085-1?
121P10085-1 is cataloged in the U.S. Government catalog under NSN 5310-00-820-6903. This indicates validated use in U.S. government and defense supply chains.
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