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7611-05 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7611-05: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, recess_angle: 90.0 DEGREES NOMINAL, recess_depth: 0.097 INCHES NOMINAL IN, hole_diameter: 0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM, recess_diameter: 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-912-6119, 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
7611-05
NSN: 5310-00-912-6119
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
recess_angle90.0 DEGREES NOMINAL
recess_depth0.097 INCHES NOMINAL IN
hole_diameter0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
recess_diameter0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
outside_diameter0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-912-6119
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7611-05 · 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: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: RECESSED
•
OUTSIDE DIAMETER: 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.097 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
RECESS DEPTH0.097 INCHES NOMINAL IN
MATERIAL THICKNESS0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
RECESS DIAMETER0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
HOLE DIAMETER0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
C396-5BReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7611-05?
7611-05 is a WASHER,RECESSED.
What parts can replace 7611-05?
There is 1 known substitute for 7611-05: C396-5B. Substitute compatibility should be verified for your specific system.
What is the NSN for 7611-05?
7611-05 is cataloged in the U.S. Government catalog under NSN 5310-00-912-6119. This indicates validated use in U.S. government and defense supply chains.
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