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8011973 — BOLT,SQUARE NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8011973: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: BUTTON, neck_width: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, head_height: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, neck_length: 0.212 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-801-1973, 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
8011973
NSN: 5306-00-801-1973
FSC: 5306 — Bolts
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleBUTTON
neck_width0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
head_height0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
neck_length0.212 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.813 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
thread_length1.000 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
special_featuresDRILLED FOR COTTER PIN 0.098 IN. DIA 1.875 IN. FROM BEARING SURFACE OF HEAD IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5306-00-801-1973
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8011973 · 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
•
NECK LENGTH: 0.212 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
NECK LENGTH0.212 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
NECK WIDTH0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
SPECIAL FEATURESDRILLED FOR COTTER PIN 0.098 IN. DIA 1.875 IN. FROM BEARING SURFACE OF HEAD IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 8011973?
8011973 is a BOLT,SQUARE NECK.
What is the NSN for 8011973?
8011973 is cataloged in the U.S. Government catalog under NSN 5306-00-801-1973. This indicates validated use in U.S. government and defense supply chains.
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