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Technical Data Sheet
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123WM40024-3 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

123WM40024-3: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OR STEEL OVERALL, head_style: DOUBLE HEXAGON, head_height: 0.690 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.000 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-949-3677, 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
123WM40024-3
NSN: 5306-00-949-3677
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP H11 OR STEEL OVERALL
head_styleDOUBLE HEXAGON
head_height0.690 INCHES NOMINAL IN
thread_class3A A
thread_length1.000 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.875 INCHES MINIMUM AND 2.896 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length1.663 INCHES MINIMUM AND 1.673 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OVERALL
NSN5306-00-949-3677
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 123WM40024-3 · 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: 0.690 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.875 INCHES MINIMUM AND 2.896 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.663 INCHES MINIMUM AND 1.673 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 1.000 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.690 INCHES NOMINAL IN
FASTENER LENGTH2.875 INCHES MINIMUM AND 2.896 INCHES MAXIMUM IN
SHOULDER LENGTH1.663 INCHES MINIMUM AND 1.673 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.000 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6485 ASSN STD 1ST MATERIAL RESPONSE OR SPS-M-107,FSCM 50394 MFR REF 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES 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 123WM40024-3?
123WM40024-3 is a BOLT,SHOULDER.
What is the NSN for 123WM40024-3?
123WM40024-3 is cataloged in the U.S. Government catalog under NSN 5306-00-949-3677. 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.