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6-61957-14 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6-61957-14: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 1020 OVERALL, hole_diameter: 2.380 INCHES NOMINAL IN, outside_diameter: 2.800 INCHES NOMINAL IN, material_thickness: 0.062 INCHES NOMINAL IN, external_straight_key_width: 0.300 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-332-9749, 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
6-61957-14
NSN: 5310-00-332-9749
FSC: 5310 — Nuts and Washers
CAGE: 17765 — THE BOEING COMPANY DIV COMMERCIAL (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 1020 OVERALL
hole_diameter2.380 INCHES NOMINAL IN
outside_diameter2.800 INCHES NOMINAL IN
material_thickness0.062 INCHES NOMINAL IN
external_key_quantity6
external_straight_key_width0.300 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
NSN5310-00-332-9749
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6-61957-14 · 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: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.800 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.300 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 6
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 1020 OVERALL
•
HOLE DIAMETER: 2.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.800 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.300 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY6
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 1020 OVERALL
HOLE DIAMETER2.380 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

No substitute or cross-reference records for this part.

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 6-61957-14?
6-61957-14 is a WASHER,KEY.
What is the NSN for 6-61957-14?
6-61957-14 is cataloged in the U.S. Government catalog under NSN 5310-00-332-9749. 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.