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2638-24850-N171 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2638-24850-N171: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, hole_diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN, shoulder_height: 0.050 INCHES NOMINAL IN, outside_diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-327-9715, 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
2638-24850-N171
NSN: 5310-01-327-9715
FSC: 5310 — Nuts and Washers
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
hole_diameter0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
shoulder_height0.050 INCHES NOMINAL IN
outside_diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
material_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
material_document_and_classificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-327-9715
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2638-24850-N171 · 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: 0.050 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
HOLE DIAMETER: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.050 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIAL THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
SHOULDER DIAMETER0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
HOLE DIAMETER0.171 INCHES MINIMUM AND 0.181 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 2638-24850-N171?
2638-24850-N171 is a WASHER,SHOULDERED.
What is the NSN for 2638-24850-N171?
2638-24850-N171 is cataloged in the U.S. Government catalog under NSN 5310-01-327-9715. 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.