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904909-018 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

904909-018: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYIMIDE BODY, hole_diameter: 0.093 INCHES NOMINAL IN, overall_height: 0.093 INCHES NOMINAL IN, shoulder_height: 0.031 INCHES NOMINAL IN, outside_diameter: 0.120 INCHES NOMINAL IN, special_features: SURFACE TREATMENT IS LAMINATE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-553-8722, 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
904909-018
NSN: 5310-01-553-8722
FSC: 5310 — Nuts and Washers
CAGE: 05257 — GENERAL DYNAMICS LAND SYSTEMS - CANADACORPORATION DIV GENERAL DYNAMICS MISSION SYSTEMS (CAN)
SPECIFICATIONS
materialPLASTIC POLYIMIDE BODY
hole_diameter0.093 INCHES NOMINAL IN
overall_height0.093 INCHES NOMINAL IN
shoulder_height0.031 INCHES NOMINAL IN
outside_diameter0.120 INCHES NOMINAL IN
special_featuresSURFACE TREATMENT IS LAMINATE
style_designatorSHOULDERED
shoulder_diameter0.200 INCHES NOMINAL IN
end_item_identification1025-01-445-0991, 155MM LIGHTWEIGHT HOWITZER, TOWED MM
part_name_assigned_by_controlling_agencyINSULATED WASHER
NSN5310-01-553-8722
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 904909-018 · 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
•
SHOULDER HEIGHT: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.120 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.093 INCHES NOMINAL IN
SHOULDER HEIGHT0.031 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.120 INCHES NOMINAL IN
SHOULDER DIAMETER0.200 INCHES NOMINAL IN
SPECIAL FEATURESSURFACE TREATMENT IS LAMINATE
PART NAME ASSIGNED BY CONTROLLING AGENCYINSULATED WASHER
END ITEM IDENTIFICATION1025-01-445-0991, 155MM LIGHTWEIGHT HOWITZER, TOWED MM
MATERIALPLASTIC POLYIMIDE BODY
HOLE DIAMETER0.093 INCHES NOMINAL 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 904909-018?
904909-018 is a WASHER,SHOULDERED.
What is the NSN for 904909-018?
904909-018 is cataloged in the U.S. Government catalog under NSN 5310-01-553-8722. 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.