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4999974 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4999974: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN, point_style: DOG, point_length: 0.200 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-9893, 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
4999974
NSN: 5305-00-151-9893
FSC: 5305 — Screws
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
point_styleDOG
point_length0.200 INCHES NOMINAL IN
thread_class2A A
thread_length0.760 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
point_diameter0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
fastener_length2.000 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5305-00-151-9893
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4999974 · 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
•
EXTENDED WASHER THICKNESS: 0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
•
POINT DIAMETER: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
•
POINT LENGTH: 0.200 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.000 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GM 4341-M,FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.760 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
POINT DIAMETER0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
HEAD HEIGHT0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
POINT LENGTH0.200 INCHES NOMINAL IN
FASTENER LENGTH2.000 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM 4341-M,FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
THREAD LENGTH0.760 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION+30S33S5,FSCM 16764 MFR REF SINGLE MATERIAL RESPONSE OVERALL
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 4999974?
4999974 is a SETSCREW.
What is the NSN for 4999974?
4999974 is cataloged in the U.S. Government catalog under NSN 5305-00-151-9893. 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.