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Technical Data Sheet
PartsTable / COMPONENT / 26946
26946 ✓ Verified by PartsTable
— · 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

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, corner_shape: SQUARE ALL CORNERS, inside_width: 0.812 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-3806, 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
26946
NSN: 5305-00-021-3806
FSC: 5305
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
corner_shapeSQUARE ALL CORNERS
inside_width0.812 INCHES NOMINAL IN
thread_class2A A
hole_diameter0.1660 INCHES MINIMUM AND 0.1665 INCHES MAXIMUM FIRST IN
inside_length0.625 INCHES NOMINAL IN
overall_width1.945 INCHES NOMINAL IN
terminal_typeSCREW
thread_length1.500 INCHES MAXIMUM IN
NSN5305-00-021-3806
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26946 · 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
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
WIDTH BETWEEN FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
SURFACE TREATMENTPASSIVATE OVERALL
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
642A694-038Interchangeable
interchangeable cross-reference
interchangeable
16117Interchangeable
interchangeable cross-reference
interchangeable
16179Interchangeable
interchangeable cross-reference
interchangeable
M007026946Interchangeable
interchangeable cross-reference
interchangeable
3384702Interchangeable
interchangeable cross-reference
interchangeable
372-1078-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26946?
26946 is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace 26946?
There are 29 known substitutes for 26946: 642A694-038, 16117, 16179 and 26 more. Substitute compatibility should be verified for your specific system.
Is 26946 still available?
26946 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