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2111812-8 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2111812-8: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 11 OVERALL, thickness: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, hole_diameter: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN, overall_diameter: 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN, surface_treatment: SILVER OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-726-4358, 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
2111812-8
NSN: 5310-00-726-4358
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 11 OVERALL
thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
hole_diameter0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
overall_diameter1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
surface_treatmentSILVER OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND E CLASS
departure_from_cited_designatorAS MODIFIED BY THE SURFACE TREATMENT
material_document_and_classificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-726-4358
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2111812-8 · 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
•
OVERALL DIAMETER: 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THE SURFACE TREATMENT
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND E CLASS
•
SURFACE TREATMENT: SILVER OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 11 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THE SURFACE TREATMENT
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND E CLASS
SURFACE TREATMENTSILVER OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 11 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
FF-W-92Reference document
Same NSN cross-reference
Reference document — Identification reference
MS15795-918Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2111812-8?
2111812-8 is a WASHER,FLAT.
What parts can replace 2111812-8?
There are 2 known substitutes for 2111812-8: FF-W-92, MS15795-918. Substitute compatibility should be verified for your specific system.
What is the NSN for 2111812-8?
2111812-8 is cataloged in the U.S. Government catalog under NSN 5310-00-726-4358. This indicates validated use in U.S. government and defense supply chains.
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