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1911198 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1911198: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, end_item_identification: 144 ATD 2 BOOM SYSTEM; TILTING KIT, TILTABLE STABILIZER LEG, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-599-7445, 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
1911198
NSN: 5310-01-599-7445
FSC: 5310 — Nuts and Washers
CAGE: 0SE09 — CARGOTEC CORP (USA)
SPECIFICATIONS
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification144 ATD 2 BOOM SYSTEM; TILTING KIT, TILTABLE STABILIZER LEG
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-599-7445
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1911198 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATION144 ATD 2 BOOM SYSTEM; TILTING KIT, TILTABLE STABILIZER LEG
CENTER HOLE SHAPE STYLEROUND
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
81907140901Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1911198?
1911198 is a WASHER,FLAT.
What parts can replace 1911198?
There is 1 known substitute for 1911198: 81907140901. Substitute compatibility should be verified for your specific system.
What is the NSN for 1911198?
1911198 is cataloged in the U.S. Government catalog under NSN 5310-01-599-7445. 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.