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91100570 — Technical Data Sheet

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— · 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 PIN,COTTER is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System under NSN 5315-00-839-5822, 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
91100570
NSN: 5315-00-839-5822
FSC: 5315
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
Part Number91100570
NSN5315-00-839-5822
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91100570 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
0903772InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
77661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2022InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1-8X1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AMS3198TYPE1-8X1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
15021InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91100570?
91100570 is a PIN,COTTER.
What parts can replace 91100570?
There are 34 known substitutes for 91100570: 0903772, 77661, 2022 and 31 more. Substitute compatibility should be verified for your specific system.
Is 91100570 still available?
91100570 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: October 2026