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PartsTable / COMPONENT / HS98477
HS98477 ✓ 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 RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: STEEL OR PLASTIC POLYAMIDE NYLON OVERALL, nut_style: NON-FLOATING SELF-LOCKING BARREL, nut_height: 0.375 INCHES NOMINAL IN, nut_length: 0.688 INCHES NOMINAL IN, temp_rating: 150.0 FAHRENHEIT NOMINAL DEGF, nut_diameter: 0.488 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-4997, 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
HS98477
NSN: 5310-00-208-4997
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OR PLASTIC POLYAMIDE NYLON OVERALL
nut_styleNON-FLOATING SELF-LOCKING BARREL
nut_height0.375 INCHES NOMINAL IN
nut_length0.688 INCHES NOMINAL IN
temp_rating150.0 FAHRENHEIT NOMINAL DEGF
nut_diameter0.488 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN
thread_class3B
barrel_height0.308 INCHES NOMINAL IN
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM NUT
NSN5310-00-208-4997
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HS98477 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 28
•
THREAD CLASS: 3B
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT STYLE: NON-FLOATING SELF-LOCKING BARREL
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
•
BARREL HEIGHT: 0.308 INCHES NOMINAL IN
•
MATERIAL: STEEL OR PLASTIC POLYAMIDE NYLON OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD CLASS3B
NOMINAL THREAD SIZE0.250 INCHES IN
NUT STYLENON-FLOATING SELF-LOCKING BARREL
NUT HEIGHT0.375 INCHES NOMINAL IN
BARREL HEIGHT0.308 INCHES NOMINAL IN
MATERIALSTEEL OR PLASTIC POLYAMIDE NYLON OVERALL
THREAD SERIESUNF
NUT DIAMETER0.488 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
98477Interchangeable
interchangeable cross-reference
interchangeable
T604AGRInterchangeable
interchangeable cross-reference
interchangeable
HS98477Interchangeable
interchangeable cross-reference
interchangeable
871830Interchangeable
Cl Mcp Pnl,6sd,640
interchangeable
803517Interchangeable
Cl Mcp Pnl,6sd,640
interchangeable
1452-048Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS98477?
HS98477 is a RETAINER,NUT AND BOLT.
What parts can replace HS98477?
There are 7 known substitutes for HS98477: 98477, T604AGR, HS98477 and 4 more. Substitute compatibility should be verified for your specific system.
Is HS98477 still available?
HS98477 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