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M1170-052165 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M1170-052165: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, end_item_identification: TUG BOAT, part_name_assigned_by_controlling_agency: STAINLESS STEEL WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-528-6397, 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
M1170-052165
NSN: 5310-01-528-6397
FSC: 5310 — Nuts and Washers
CAGE: A196N — FORSVARETS MATERIELVERK (SWE)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
end_item_identificationTUG BOAT
part_name_assigned_by_controlling_agencySTAINLESS STEEL WASHER
NSN5310-01-528-6397
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M1170-052165 · 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
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAINLESS STEEL WASHER
END ITEM IDENTIFICATIONTUG BOAT
MATERIALSTEEL COMP 316 OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 2
B18.22.1Reference document
Same NSN cross-reference
Reference document — Secondary reference
90107A010Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1170-052165?
M1170-052165 is a WASHER,FLAT.
What parts can replace M1170-052165?
There are 2 known substitutes for M1170-052165: B18.22.1, 90107A010. Substitute compatibility should be verified for your specific system.
What is the NSN for M1170-052165?
M1170-052165 is cataloged in the U.S. Government catalog under NSN 5310-01-528-6397. 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.