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128WM10245-11 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

128WM10245-11: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: FLAT CHAMFER, head_height: 1.000 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.438 INCHES NOMINAL IN, thread_length: 0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-017-6174, 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
128WM10245-11
NSN: 5305-00-017-6174
FSC: 5305 — Screws
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
head_styleFLAT CHAMFER
head_height1.000 INCHES NOMINAL IN
thread_class3A A
head_diameter1.438 INCHES NOMINAL IN
thread_length0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length3.625 INCHES NOMINAL IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.9955 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER IN
NSN5305-00-017-6174
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 128WM10245-11 · 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
•
WIDTH ACROSS FLATS: 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN
•
HEAD HEIGHT: 1.000 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.625 INCHES NOMINAL IN
•
SHOULDER LENGTH: 2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.9955 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN
HEAD HEIGHT1.000 INCHES NOMINAL IN
FASTENER LENGTH3.625 INCHES NOMINAL IN
SHOULDER LENGTH2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.9955 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEFLAT CHAMFER
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 128WM10245-11?
128WM10245-11 is a SCREW,SHOULDER.
What is the NSN for 128WM10245-11?
128WM10245-11 is cataloged in the U.S. Government catalog under NSN 5305-00-017-6174. 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.