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51D67 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

51D67: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, recess_depth: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, hole_diameter: 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, recess_diameter: 0.264 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, shoulder_height: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, outside_diameter: 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-401-4228, 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
51D67
NSN: 5310-00-401-4228
FSC: 5310 — Nuts and Washers
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
recess_depth0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
hole_diameter0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
recess_diameter0.264 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
shoulder_height0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
outside_diameter0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.637 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.081 INCHES NOMINAL IN
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationAS4700 FSCM 89513 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-401-4228
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51D67 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AS4700 FSCM 89513 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.081 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.637 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAS4700 FSCM 89513 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
RECESS DEPTH0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
MATERIAL THICKNESS0.081 INCHES NOMINAL IN
SHOULDER DIAMETER0.637 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
RECESS DIAMETER0.264 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
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 51D67?
51D67 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for 51D67?
51D67 is cataloged in the U.S. Government catalog under NSN 5310-00-401-4228. 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.