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627221351-002 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

627221351-002: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE OVERALL, hole_diameter: 0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN, outside_diameter: 1.305 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN, style_designator: KEY, external_straight_key_width: 0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, material_document_and_classification: MIL-P-46144,TY 1,GR A,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-103-7936, 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
627221351-002
NSN: 5310-01-103-7936
FSC: 5310 — Nuts and Washers
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE OVERALL
hole_diameter0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
outside_diameter1.305 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
style_designatorKEY
external_key_quantity3
external_straight_key_width0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-46144,TY 1,GR A,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-103-7936
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 627221351-002 · 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
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-46144,TY 1,GR A,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.305 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 3
•
MATERIAL: PLASTIC POLYCARBONATE OVERALL
•
HOLE DIAMETER: 0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-46144,TY 1,GR A,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.305 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY3
MATERIALPLASTIC POLYCARBONATE OVERALL
HOLE DIAMETER0.750 INCHES MINIMUM AND 0.751 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 627221351-002?
627221351-002 is a WASHER,KEY.
What is the NSN for 627221351-002?
627221351-002 is cataloged in the U.S. Government catalog under NSN 5310-01-103-7936. 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.