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F166161 REV A — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

F166161 REV A: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: WASHER CAP TRUNION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-644-2631, 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
F166161 REV A
NSN: 5310-01-644-2631
FSC: 5310 — Nuts and Washers
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyWASHER CAP TRUNION
NSN5310-01-644-2631
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F166161 REV A · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER CAP TRUNION
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 1
F181363 REV A ITEM NO 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F166161 REV A?
F166161 REV A is a WASHER,SEAL.
What parts can replace F166161 REV A?
There is 1 known substitute for F166161 REV A: F181363 REV A ITEM NO 5. Substitute compatibility should be verified for your specific system.
What is the NSN for F166161 REV A?
F166161 REV A is cataloged in the U.S. Government catalog under NSN 5310-01-644-2631. This indicates validated use in U.S. government and defense supply chains.
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