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2646-31050-N253 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2646-31050-N253: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, hole_diameter: 0.253 INCHES NOMINAL IN, shoulder_height: 0.047 INCHES NOMINAL IN, outside_diameter: 0.630 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.310 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-168-7257, 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
2646-31050-N253
NSN: 5310-01-168-7257
FSC: 5310 — Nuts and Washers
CAGE: 06540 — NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
hole_diameter0.253 INCHES NOMINAL IN
shoulder_height0.047 INCHES NOMINAL IN
outside_diameter0.630 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.310 INCHES NOMINAL IN
material_thickness0.031 INCHES NOMINAL IN
NSN5310-01-168-7257
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2646-31050-N253 · 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
•
SHOULDER HEIGHT: 0.047 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.630 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.310 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
HOLE DIAMETER: 0.253 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.047 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.630 INCHES NOMINAL IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
SHOULDER DIAMETER0.310 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
HOLE DIAMETER0.253 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 1
12SWS1019Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2646-31050-N253?
2646-31050-N253 is a WASHER,SHOULDERED.
What parts can replace 2646-31050-N253?
There is 1 known substitute for 2646-31050-N253: 12SWS1019. Substitute compatibility should be verified for your specific system.
What is the NSN for 2646-31050-N253?
2646-31050-N253 is cataloged in the U.S. Government catalog under NSN 5310-01-168-7257. 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.