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12981719 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12981719: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 4, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, head_diameter: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, thread_length: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN, fastener_length: 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-450-3236, 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
12981719
NSN: 5305-01-450-3236
FSC: 5305 — Screws
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleKNURLED NO. 4
head_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
head_diameter0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
thread_length0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
fastener_length1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
material_document_and_classificationASTM A581, A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
externally_relieved_body_diameter_quantity1
surface_treatment_document_and_classificationMIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-01-450-3236
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12981719 · 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: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581, A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: KNURLED NO. 4
•
THREAD DIRECTION: RIGHT-HAND
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 1
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581, A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEKNURLED NO. 4
THREAD DIRECTIONRIGHT-HAND
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLESLOT
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 12981719?
12981719 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 12981719?
12981719 is cataloged in the U.S. Government catalog under NSN 5305-01-450-3236. 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.