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Technical Data Sheet
201273 ✓ 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 color: BLACK, width: 0.500 INCHES IN, length: 28.000 YARDS, material: PLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED, specific_use: RECORD TYPING, special_features: THK 4 MIL,CARTIRIDGE TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-558-4089, 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
201273
NSN: 5310-00-558-4089
FSC: 5310
CAGE: 72599 — ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO (USA)
SPECIFICATIONS
colorBLACK
width0.500 INCHES IN
length28.000 YARDS
materialPLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED
specific_useRECORD TYPING
special_featuresTHK 4 MIL,CARTIRIDGE TYPE
type/model_designationEPSON
end_item_identificationFOR USE ON EPSON LQ1000, LQ1070, LQ1170 AND ERC-20
NSN5310-00-558-4089
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 201273 · 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 THICKNESS: 0.020 INCHES NOMINAL IN
SURFACE TREATMENT: PASSIVATE OVERALL
OUTSIDE DIAMETER: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
HOLE DIAMETER: 1.790 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
OVERALL HEIGHT0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
OUTSIDE DIAMETER2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
HOLE DIAMETER1.790 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
101405Interchangeable
interchangeable cross-reference
interchangeable
RG289BKInterchangeable
interchangeable cross-reference
interchangeable
161289Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 201273?
201273 is a WASHER,SPRING TENSION.
What parts can replace 201273?
There are 3 known substitutes for 201273: 101405, RG289BK, 161289. Substitute compatibility should be verified for your specific system.
What is the NSN for 201273?
201273 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-558-4089. This indicates validated use in U.S. government and defense supply chains.
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