PartsTable
Technical Data Sheet
Download PDF

81774 — CLUTCH ASSEMBLY,FRICTION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

81774: CLUTCH ASSEMBLY,FRICTION.

The CLUTCH ASSEMBLY,FRICTION is a the manufacturer industrial component. Key specifications include end_item_identification: COPES-VULCAN ROTARY SOOT BLOWER, general_characteristics_item_description: INCLUDES STUFFING BOX; 13.000 IN. LONG BY 9.000 IN.

WIDE IN. This part is cataloged in the U.S. Government catalog under NSN 5310-00-186-7436, 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
81774
NSN: 5310-00-186-7436
NIINs: 001867436, 012287812, 013724658
FSC: 5310 — Nuts and Washers
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
end_item_identificationCOPES-VULCAN ROTARY SOOT BLOWER
general_characteristics_item_descriptionINCLUDES STUFFING BOX; 13.000 IN. LONG BY 9.000 IN. WIDE IN
NSN5310-00-186-7436
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 81774 · 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
•
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
•
HEAT TREATMENT: HOT ROLLED
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.161 INCHES NOMINAL IN
•
THICKNESS: 0.042 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.250 INCHES NOMINAL IN
HEAT TREATMENTHOT ROLLED
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.161 INCHES NOMINAL IN
THICKNESS0.042 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 81774?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 81774?
81774 is a CLUTCH ASSEMBLY,FRICTION.
What is the NSN for 81774?
81774 is cataloged in the U.S. Government catalog under NSN 5310-00-186-7436. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 81774

✓ 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.