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77-955 — PULLEY,GROOVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

77-955: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.572 INCHES NOMINAL IN, hole_diameter: 0.187 INCHES NOMINAL IN, overall_height: 0.093 INCHES NOMINAL IN, recess_diameter: 0.572 INCHES NOMINAL IN, outside_diameter: 0.640 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-194-1485, 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
77-955
NSN: 5310-00-194-1485
NIINs: 001941485, 014176314
FSC: 5310 — Nuts and Washers
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.572 INCHES NOMINAL IN
hole_diameter0.187 INCHES NOMINAL IN
overall_height0.093 INCHES NOMINAL IN
recess_diameter0.572 INCHES NOMINAL IN
outside_diameter0.640 INCHES NOMINAL IN
surface_treatmentCHROMIUM OVERALL
material_thickness0.034 INCHES NOMINAL IN
NSN5310-00-194-1485
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 77-955 · 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
•
OUTSIDE DIAMETER: 0.640 INCHES NOMINAL IN
•
RECESS DEPTH: 0.572 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.034 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.572 INCHES NOMINAL IN
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.093 INCHES NOMINAL IN
OUTSIDE DIAMETER0.640 INCHES NOMINAL IN
RECESS DEPTH0.572 INCHES NOMINAL IN
MATERIAL THICKNESS0.034 INCHES NOMINAL IN
RECESS DIAMETER0.572 INCHES NOMINAL IN
SURFACE TREATMENTCHROMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.187 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77-955?
77-955 is a PULLEY,GROOVE.
What is the NSN for 77-955?
77-955 is cataloged in the U.S. Government catalog under NSN 5310-00-194-1485. 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.