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193574PC4 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

193574PC4: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.692 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.036 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-274-8288, 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
193574PC4
NSN: 5310-00-274-8288
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.692 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.036 INCHES NOMINAL IN
departure_from_cited_documentAS MODIFIED BY THE SURF TREATMENT
departure_from_cited_designatorAS MODIFIED BY THE SURF TREATMENT
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-274-8288
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 193574PC4 · 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
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.692 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.036 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THE SURF TREATMENT
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY THE SURF TREATMENT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.692 INCHES NOMINAL IN
MATERIAL THICKNESS0.036 INCHES NOMINAL IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THE SURF TREATMENT
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY THE SURF TREATMENT
MATERIALSTEEL OVERALL
HOLE DIAMETER0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
AN936A616Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 193574PC4?
193574PC4 is a WASHER,LOCK.
What parts can replace 193574PC4?
There is 1 known substitute for 193574PC4: AN936A616. Substitute compatibility should be verified for your specific system.
What is the NSN for 193574PC4?
193574PC4 is cataloged in the U.S. Government catalog under NSN 5310-00-274-8288. This indicates validated use in U.S. government and defense supply chains.
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