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N122005 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

N122005: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, recess_depth: 0.0645 INCHES NOMINAL IN, hole_diameter: 0.472 INCHES NOMINAL IN, overall_height: 0.277 INCHES NOMINAL IN, outside_diameter: 0.840 INCHES NOMINAL IN, special_features: W/2 INTERNAL KEYS,0.125 IN. WIDE,0.158 IN.

FROM CENTERLINE TO TOP OF KEY IN. This part is cataloged in the U.S. Government catalog under NSN 5310-00-101-7811, 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
N122005
NSN: 5310-00-101-7811
FSC: 5310 — Nuts and Washers
CAGE: K4358 — SAFRAN ELECTRICAL & POWER UK LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
recess_depth0.0645 INCHES NOMINAL IN
hole_diameter0.472 INCHES NOMINAL IN
overall_height0.277 INCHES NOMINAL IN
outside_diameter0.840 INCHES NOMINAL IN
special_featuresW/2 INTERNAL KEYS,0.125 IN. WIDE,0.158 IN. FROM CENTERLINE TO TOP OF KEY IN
style_designatorRECESSED
material_thickness0.035 INCHES NOMINAL IN
NSN5310-00-101-7811
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N122005 · 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: RECESSED
•
OUTSIDE DIAMETER: 0.840 INCHES NOMINAL IN
•
RECESS DEPTH: 0.0645 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.035 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.472 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.277 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.840 INCHES NOMINAL IN
RECESS DEPTH0.0645 INCHES NOMINAL IN
MATERIAL THICKNESS0.035 INCHES NOMINAL IN
SPECIAL FEATURESW/2 INTERNAL KEYS,0.125 IN. WIDE,0.158 IN. FROM CENTERLINE TO TOP OF KEY IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.472 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 N122005?
N122005 is a WASHER,RECESSED.
What is the NSN for N122005?
N122005 is cataloged in the U.S. Government catalog under NSN 5310-00-101-7811. 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.