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ABS20773K12 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ABS20773K12: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: WATERTIGHT, head_height: 0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.394 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN, thread_length: 0.377 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN, screw_material: STEEL COMP 8740. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-077-3069, 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
ABS20773K12
NSN: 5305-01-077-3069
FSC: 5305 — Screws
CAGE: 02310 — PATTONAIR USA INC DBA INCORA DIV UNISEAL DIVISION (USA)
SPECIFICATIONS
head_styleWATERTIGHT
head_height0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.394 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
thread_length0.377 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8740
fastener_length0.735 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
special_featuresFURNISHED WITH ONE RUBBER O-RING AND ONE POLYTETRAFLUOROETHYLENE WASHER
thread_directionRIGHT-HAND
internal_drive_styleHIGH-TORQUE
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-01-077-3069
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ABS20773K12 · 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: 0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 0.735 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.377 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: WATERTIGHT
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH0.735 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.377 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEWATERTIGHT
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8740
SPECIAL FEATURESFURNISHED WITH ONE RUBBER O-RING AND ONE POLYTETRAFLUOROETHYLENE WASHER
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 ABS20773K12?
ABS20773K12 is a SCREW,MACHINE.
What is the NSN for ABS20773K12?
ABS20773K12 is cataloged in the U.S. Government catalog under NSN 5305-01-077-3069. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.