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9966M88P01 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9966M88P01: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.620 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN, overall_height: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, outside_diameter: 2.940 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN, material_thickness: 0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, material_document_and_classification: AMS5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-172-4077, 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
9966M88P01
NSN: 5310-01-172-4077
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.620 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN
overall_height0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
outside_diameter2.940 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN
material_thickness0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
material_document_and_classificationAMS5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-172-4077
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9966M88P01 · 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: AMS5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.940 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.620 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.940 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN
MATERIAL THICKNESS0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.620 INCHES MINIMUM AND 1.660 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9966M88P01?
9966M88P01 is a WASHER,SPRING TENSION.
What is the NSN for 9966M88P01?
9966M88P01 is cataloged in the U.S. Government catalog under NSN 5310-01-172-4077. 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.