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221177 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

221177: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, body_style: PLAIN, SOLID, teeth_type: ZEROL, pitch_angle: 44.1833 DEGREES, hole_diameter: 0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN, pitch_diameter: 4.3182 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-022-1177, 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
221177
NSN: 5310-00-022-1177
NIINs: 000221177, 002170371, 008977876, 014498166
FSC: 5310 — Nuts and Washers
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
body_stylePLAIN, SOLID
teeth_typeZEROL
pitch_angle44.1833 DEGREES
hole_diameter0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
pitch_diameter4.3182 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity38
hardness_rating60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
tooth_directionRIGHT
outside_diameter0.591 INCHES MAXIMUM IN
special_featuresMUELLER HINTON AGAR PLATES 20'S; REQUIRES REFRIG BTWN 2-8 DEG C DEGC
NSN5310-00-022-1177
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 221177 · 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: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.591 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.078 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 2 STYLE
•
SURFACE TREATMENT: TIN OVERALL
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.591 INCHES MAXIMUM IN
MATERIAL THICKNESS0.078 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAA CLASS AND 2 STYLE
SURFACE TREATMENTTIN OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
FF-W-84Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221177?
221177 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 221177?
There is 1 known substitute for 221177: FF-W-84. Substitute compatibility should be verified for your specific system.
What is the NSN for 221177?
221177 is cataloged in the U.S. Government catalog under NSN 5310-00-022-1177. This indicates validated use in U.S. government and defense supply chains.
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