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0172842 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0172842: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 AND STEEL COMP 305 OVERALL, hole_diameter: 0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, outside_diameter: 0.173 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.022 INCHES MINIMUM IN, end_item_identification: LAUNCH CONTROL PANEL(LCP)MK 422 MOD 2. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-616-3197, 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
0172842
NSN: 5310-01-616-3197
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL COMP 302 AND STEEL COMP 305 OVERALL
hole_diameter0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
outside_diameter0.173 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.022 INCHES MINIMUM IN
end_item_identificationLAUNCH CONTROL PANEL(LCP)MK 422 MOD 2
part_name_assigned_by_controlling_agencyHIGH-COLLAR LOCK WASHER
NSN5310-01-616-3197
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0172842 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.173 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.022 INCHES MINIMUM IN
•
MATERIAL: STEEL COMP 302 AND STEEL COMP 305 OVERALL
•
HOLE DIAMETER: 0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.173 INCHES MAXIMUM IN
MATERIAL THICKNESS0.022 INCHES MINIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHIGH-COLLAR LOCK WASHER
END ITEM IDENTIFICATIONLAUNCH CONTROL PANEL(LCP)MK 422 MOD 2
MATERIALSTEEL COMP 302 AND STEEL COMP 305 OVERALL
HOLE DIAMETER0.114 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0172842?
0172842 is a WASHER,LOCK.
What is the NSN for 0172842?
0172842 is cataloged in the U.S. Government catalog under NSN 5310-01-616-3197. 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.