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12941501 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12941501: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include hole_diameter: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN, outside_diameter: 0.930 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN, special_features: INDIUM SHEET ALLOY 99, SPEC QQ-S-571., material_thickness: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN, external_straight_key_width: 0.110 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-389-8771, 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
12941501
NSN: 5310-01-389-8771
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
hole_diameter0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
outside_diameter0.930 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
special_featuresINDIUM SHEET ALLOY 99, SPEC QQ-S-571.
material_thickness0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN
external_straight_key_width0.110 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
NSN5310-01-389-8771
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12941501 · 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
•
OUTSIDE DIAMETER: 0.930 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.110 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.930 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
MATERIAL THICKNESS0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.110 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
SPECIAL FEATURESINDIUM SHEET ALLOY 99, SPEC QQ-S-571.
HOLE DIAMETER0.420 INCHES MINIMUM AND 0.460 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

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 12941501?
12941501 is a WASHER,KEY.
What is the NSN for 12941501?
12941501 is cataloged in the U.S. Government catalog under NSN 5310-01-389-8771. 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.