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Technical Data Sheet
PartsTable / COMPONENT / 48900A
48900A ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075 OVERALL, hole_diameter: 1.575 INCHES NOMINAL IN, overall_height: 0.140 INCHES NOMINAL IN, outside_diameter: 2.028 INCHES NOMINAL IN, material_thickness: 0.022 INCHES NOMINAL IN, material_document_and_classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-019-9154, 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
48900A
NSN: 5310-00-019-9154
FSC: 5310
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
hole_diameter1.575 INCHES NOMINAL IN
overall_height0.140 INCHES NOMINAL IN
outside_diameter2.028 INCHES NOMINAL IN
material_thickness0.022 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-019-9154
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 48900A · 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
•
HOLE DIAMETER: 1.575 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.028 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1075 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.575 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
OVERALL HEIGHT0.140 INCHES NOMINAL IN
OUTSIDE DIAMETER2.028 INCHES NOMINAL IN
MATERIALSTEEL COMP 1075 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
5300112811Interchangeable
interchangeable cross-reference
interchangeable
112811Interchangeable
interchangeable cross-reference
interchangeable
811-19Interchangeable
interchangeable cross-reference
interchangeable
18134Interchangeable
interchangeable cross-reference
interchangeable
W2028-022Interchangeable
interchangeable cross-reference
interchangeable
26271Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48900A?
48900A is a WASHER,SPRING TENSION.
What parts can replace 48900A?
There are 12 known substitutes for 48900A: 5300112811, 112811, 811-19 and 9 more. Substitute compatibility should be verified for your specific system.
Is 48900A still available?
48900A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026