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43042-00294-1 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

43042-00294-1: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 AND STEEL COMP 1020 OVERALL, recess_depth: 0.125 INCHES NOMINAL IN, hole_diameter: 1.750 INCHES NOMINAL IN, overall_height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, recess_diameter: 1.950 INCHES NOMINAL IN, outside_diameter: 2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-540-9392, 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
43042-00294-1
NSN: 5310-01-540-9392
FSC: 5310 — Nuts and Washers
CAGE: 02591 — NAVAL AIR WARFARE CTR AIRCRAFT DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 AND STEEL COMP 1020 OVERALL
recess_depth0.125 INCHES NOMINAL IN
hole_diameter1.750 INCHES NOMINAL IN
overall_height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
recess_diameter1.950 INCHES NOMINAL IN
outside_diameter2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentPHOSPHATE OVERALL
NSN5310-01-540-9392
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 43042-00294-1 · 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: 2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.125 INCHES NOMINAL IN
•
RECESS DIAMETER: 1.950 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL COMP 1018 AND STEEL COMP 1020 OVERALL
•
HOLE DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
RECESS DEPTH0.125 INCHES NOMINAL IN
RECESS DIAMETER1.950 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1018 AND STEEL COMP 1020 OVERALL
HOLE DIAMETER1.750 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 43042-00294-1?
43042-00294-1 is a WASHER,RECESSED.
What is the NSN for 43042-00294-1?
43042-00294-1 is cataloged in the U.S. Government catalog under NSN 5310-01-540-9392. 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.