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8-32BY1-21NSS — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8-32BY1-21NSS: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OR COPPER ALLOY OVERALL, head_style: BINDING, head_height: 0.097 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.344 INCHES NOMINAL IN, thread_length: 0.148 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-820-8818, 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
8-32BY1-21NSS
NSN: 5305-00-820-8818
FSC: 5305 — Screws
CAGE: 57472 — ALL MANUFACTURERS, INC. DBA ALLIED HARBOR AEROSPACE FASTENERS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OR COPPER ALLOY OVERALL
head_styleBINDING
head_height0.097 INCHES NOMINAL IN
thread_class2A A
head_diameter0.344 INCHES NOMINAL IN
thread_length0.148 INCHES MINIMUM IN
fastener_length0.210 INCHES NOMINAL IN
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE AND NICKEL OVERALL
internal_drive_styleSLOT
primary_washer_styleFLAT EXTERNAL TEETH
NSN5305-00-820-8818
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8-32BY1-21NSS · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.097 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.210 INCHES NOMINAL IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.148 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: BINDING
•
PRIMARY WASHER STYLE: FLAT EXTERNAL TEETH
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.097 INCHES NOMINAL IN
FASTENER LENGTH0.210 INCHES NOMINAL IN
PRIMARY WASHER OUTSIDE DIAMETER0.438 INCHES NOMINAL IN
THREAD LENGTH0.148 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEBINDING
PRIMARY WASHER STYLEFLAT EXTERNAL TEETH
THREAD DIRECTIONRIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS0.047 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE AND NICKEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
2510-0049Reference document
Same NSN cross-reference
Reference document — Secondary reference
8-32X3-8INSSReference document
Same NSN cross-reference
Reference document — Secondary reference
2550-0009Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 8-32BY1-21NSS?
8-32BY1-21NSS is a SCREW,ASSEMBLED WASHER.
What parts can replace 8-32BY1-21NSS?
There are 3 known substitutes for 8-32BY1-21NSS: 2510-0049, 8-32X3-8INSS, 2550-0009. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-32BY1-21NSS?
8-32BY1-21NSS is cataloged in the U.S. Government catalog under NSN 5305-00-820-8818. This indicates validated use in U.S. government and defense supply chains.
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