PartsTable
Technical Data Sheet
8-1981 ✓ Verified by PartsTable
Hotpoint · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The PULLEY,GROOVE is a Hotpoint industrial component. Key specifications include bearings: INCLUDED, material: ALUMINUM ALLOY OVERALL, bore_type: STRAIGHT, face_width: 0.350 INCHES NOMINAL IN, bore_length: 0.595 INCHES NOMINAL IN, design_form: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-958-7974, 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
8-1981
NSN: 5305-00-958-7974
FSC: 5305
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
bearingsINCLUDED
materialALUMINUM ALLOY OVERALL
bore_typeSTRAIGHT
face_width0.350 INCHES NOMINAL IN
bore_length0.595 INCHES NOMINAL IN
design_formPLAIN
bearing_typeSLEEVE
bore_featureINCLUDED
groove_depth0.500 INCHES NOMINAL IN
groove_shapeU
groove_width0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
bore_diameter0.313 INCHES NOMINAL IN
NSN5305-00-958-7974
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8-1981 · Hotpoint ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD LENGTH: 0.210 INCHES MINIMUM IN
THREAD DIRECTION: RIGHT-HAND
INTERNAL DRIVE STYLE: HEXAGON
SURFACE TREATMENT: PASSIVATE OVERALL
HARDNESS RATING: 80.0 ROCKWELL C MINIMUM OVERALL
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.210 INCHES MINIMUM IN
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING80.0 ROCKWELL C MINIMUM OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD HEIGHT0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH30000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
70400-00512Interchangeable
interchangeable cross-reference
interchangeable
70400-00512-101Interchangeable
interchangeable cross-reference
interchangeable
8-1981Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8-1981?
8-1981 is a PULLEY,GROOVE manufactured by Hotpoint.
What parts can replace 8-1981?
There are 3 known substitutes for 8-1981: 70400-00512, 70400-00512-101, 8-1981. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-1981?
8-1981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-958-7974. This indicates validated use in U.S. government and defense supply chains.
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