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231123-3 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

231123-3: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.755 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN, outside_diameter: 1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN, material_thickness: 0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-313-9355, 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
231123-3
NSN: 5310-01-313-9355
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.755 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
outside_diameter1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
material_thickness0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
NSN5310-01-313-9355
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 231123-3 · 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
•
OUTSIDE DIAMETER: 1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.755 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
•
RECESS ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
MATERIAL THICKNESS0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.755 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
RECESS ANGLE90.0 DEGREES NOMINAL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 231123-3?
231123-3 is a WASHER,RECESSED.
What is the NSN for 231123-3?
231123-3 is cataloged in the U.S. Government catalog under NSN 5310-01-313-9355. 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.