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Technical Data Sheet
PartsTable / COMPONENT / 1000-820
1000-820 ✓ Verified by PartsTable
3M · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: PLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL, thickness: 0.040 INCHES NOMINAL IN, body_style: RECTANGULAR, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, switch_type: NONTRANSFER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-0233, 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
1000-820
NSN: 5305-00-012-0233
FSC: 5305
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL
thickness0.040 INCHES NOMINAL IN
body_styleRECTANGULAR
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
switch_typeNONTRANSFER
power_sourceEXTERNAL
thread_class2B MOUNTING FACILITY HOLE
hole_diameter0.375 INCHES NOMINAL IN
overall_width2.875 INCHES NOMINAL IN
pole_quantity1
thread_length0.844 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
NSN5305-00-012-0233
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1000-820 · 3M ⚠ 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
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD QUANTITY PER INCH16
THREAD LENGTH0.844 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
3723Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY16ST2Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
120233Interchangeable
interchangeable cross-reference
interchangeable
179839Interchangeable
interchangeable cross-reference
interchangeable
W1006-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1000-820?
1000-820 is a SWITCH,RADIO FREQUENCY TRANSMISS manufactured by 3M.
What parts can replace 1000-820?
There are 22 known substitutes for 1000-820: 3723, GGG-W-636 TY16ST2, GGG-W-636 and 19 more. Substitute compatibility should be verified for your specific system.
Is 1000-820 still available?
1000-820 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026